]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/commitdiff
Merge branch 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 23 Oct 2008 19:04:37 +0000 (12:04 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 23 Oct 2008 19:04:37 +0000 (12:04 -0700)
* 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc: (35 commits)
  proc: remove fs/proc/proc_misc.c
  proc: move /proc/vmcore creation to fs/proc/vmcore.c
  proc: move pagecount stuff to fs/proc/page.c
  proc: move all /proc/kcore stuff to fs/proc/kcore.c
  proc: move /proc/schedstat boilerplate to kernel/sched_stats.h
  proc: move /proc/modules boilerplate to kernel/module.c
  proc: move /proc/diskstats boilerplate to block/genhd.c
  proc: move /proc/zoneinfo boilerplate to mm/vmstat.c
  proc: move /proc/vmstat boilerplate to mm/vmstat.c
  proc: move /proc/pagetypeinfo boilerplate to mm/vmstat.c
  proc: move /proc/buddyinfo boilerplate to mm/vmstat.c
  proc: move /proc/vmallocinfo to mm/vmalloc.c
  proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c
  proc: move /proc/slab_allocators boilerplate to mm/slab.c
  proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c
  proc: move /proc/stat to fs/proc/stat.c
  proc: move rest of /proc/partitions code to block/genhd.c
  proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c
  proc: move /proc/devices code to fs/proc/devices.c
  proc: move rest of /proc/locks to fs/locks.c
  ...

56 files changed:
arch/m68k/amiga/config.c
arch/m68k/atari/config.c
arch/m68k/atari/stram.c
arch/m68k/bvme6000/config.c
arch/m68k/kernel/setup.c
arch/m68k/mvme147/config.c
arch/m68k/mvme16x/config.c
arch/m68k/q40/config.c
arch/m68k/sun3/config.c
arch/m68k/sun3x/config.c
arch/x86/include/asm/pgtable.h
arch/x86/mm/pageattr.c
block/genhd.c
fs/filesystems.c
fs/locks.c
fs/proc/Makefile
fs/proc/cmdline.c [new file with mode: 0644]
fs/proc/cpuinfo.c [new file with mode: 0644]
fs/proc/devices.c [new file with mode: 0644]
fs/proc/generic.c
fs/proc/inode.c
fs/proc/internal.h
fs/proc/interrupts.c [new file with mode: 0644]
fs/proc/kcore.c
fs/proc/kmsg.c
fs/proc/loadavg.c [new file with mode: 0644]
fs/proc/meminfo.c [new file with mode: 0644]
fs/proc/page.c [new file with mode: 0644]
fs/proc/proc_devtree.c
fs/proc/proc_misc.c [deleted file]
fs/proc/proc_sysctl.c
fs/proc/root.c
fs/proc/stat.c [new file with mode: 0644]
fs/proc/task_mmu.c
fs/proc/uptime.c [new file with mode: 0644]
fs/proc/version.c [new file with mode: 0644]
fs/proc/vmcore.c
include/asm-m68k/machdep.h
include/linux/crash_dump.h
include/linux/fs.h
include/linux/genhd.h
include/linux/hugetlb.h
include/linux/proc_fs.h
include/linux/sched.h
include/linux/slab.h
include/linux/vmalloc.h
include/linux/vmstat.h
kernel/exec_domain.c
kernel/module.c
kernel/sched.c
kernel/sched_stats.h
mm/hugetlb.c
mm/slab.c
mm/slub.c
mm/vmalloc.c
mm/vmstat.c

index 0a3f9e8ebde0db468365abf2a429a11a04c1e934..ab9862c3a136f4bc49f744b04bd2feae51912e83 100644 (file)
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/rtc.h>
@@ -93,7 +94,7 @@ static char amiga_model_name[13] = "Amiga ";
 
 static void amiga_sched_init(irq_handler_t handler);
 static void amiga_get_model(char *model);
-static int amiga_get_hardware_list(char *buffer);
+static void amiga_get_hardware_list(struct seq_file *m);
 /* amiga specific timer functions */
 static unsigned long amiga_gettimeoffset(void);
 static int a3000_hwclk(int, struct rtc_time *);
@@ -911,13 +912,11 @@ static void amiga_get_model(char *model)
 }
 
 
-static int amiga_get_hardware_list(char *buffer)
+static void amiga_get_hardware_list(struct seq_file *m)
 {
-       int len = 0;
-
        if (AMIGAHW_PRESENT(CHIP_RAM))
-               len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
-       len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
+               seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
+       seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
                        amiga_psfreq, amiga_eclock);
        if (AMIGAHW_PRESENT(AMI_VIDEO)) {
                char *type;
@@ -935,14 +934,14 @@ static int amiga_get_hardware_list(char *buffer)
                        type = "Old or Unknown";
                        break;
                }
-               len += sprintf(buffer+len, "Graphics:\t%s\n", type);
+               seq_printf(m, "Graphics:\t%s\n", type);
        }
 
 #define AMIGAHW_ANNOUNCE(name, str)                    \
        if (AMIGAHW_PRESENT(name))                      \
-               len += sprintf (buffer+len, "\t%s\n", str)
+               seq_printf (m, "\t%s\n", str)
 
-       len += sprintf (buffer + len, "Detected hardware:\n");
+       seq_printf (m, "Detected hardware:\n");
 
        AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
        AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
@@ -975,15 +974,13 @@ static int amiga_get_hardware_list(char *buffer)
        AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
 #ifdef CONFIG_ZORRO
        if (AMIGAHW_PRESENT(ZORRO))
-               len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
+               seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion "
                                "Device%s\n",
                                AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
                                zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
 #endif /* CONFIG_ZORRO */
 
 #undef AMIGAHW_ANNOUNCE
-
-       return len;
 }
 
 /*
index af031855f796f4b61bd716f092d5065c97d1bc12..49c28cdbea5c5bf6cc89d00be99eee339900838c 100644 (file)
@@ -26,6 +26,7 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -63,7 +64,7 @@ int atari_rtc_year_offset;
 /* local function prototypes */
 static void atari_reset(void);
 static void atari_get_model(char *model);
-static int atari_get_hardware_list(char *buffer);
+static void atari_get_hardware_list(struct seq_file *m);
 
 /* atari specific irq functions */
 extern void atari_init_IRQ (void);
@@ -611,21 +612,21 @@ static void atari_get_model(char *model)
 }
 
 
-static int atari_get_hardware_list(char *buffer)
+static void atari_get_hardware_list(struct seq_file *m)
 {
-       int len = 0, i;
+       int i;
 
        for (i = 0; i < m68k_num_memory; i++)
-               len += sprintf(buffer+len, "\t%3ld MB at 0x%08lx (%s)\n",
+               seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n",
                                m68k_memory[i].size >> 20, m68k_memory[i].addr,
                                (m68k_memory[i].addr & 0xff000000 ?
                                 "alternate RAM" : "ST-RAM"));
 
 #define ATARIHW_ANNOUNCE(name, str)                    \
        if (ATARIHW_PRESENT(name))                      \
-               len += sprintf(buffer + len, "\t%s\n", str)
+               seq_printf(m, "\t%s\n", str)
 
-       len += sprintf(buffer + len, "Detected hardware:\n");
+       seq_printf(m, "Detected hardware:\n");
        ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter");
        ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter");
        ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter");
@@ -654,6 +655,4 @@ static int atari_get_hardware_list(char *buffer)
        ATARIHW_ANNOUNCE(BLITTER, "Blitter");
        ATARIHW_ANNOUNCE(VME, "VME Bus");
        ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor");
-
-       return len;
 }
index 04c69ffbea71635b23a1652e9c6159e37eb8f82c..6ec3b7f33779bcef5bb00ffea045d8dce7f3e46b 100644 (file)
@@ -42,6 +42,7 @@
 /* abbrev for the && above... */
 #define DO_PROC
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #endif
 
 /*
@@ -323,19 +324,16 @@ static int remove_region( BLOCK *block )
 
 #ifdef DO_PROC
 
-#define        PRINT_PROC(fmt,args...) len += sprintf( buf+len, fmt, ##args )
+#define        PRINT_PROC(fmt,args...) seq_printf( m, fmt, ##args )
 
-int get_stram_list( char *buf )
+static int stram_proc_show(struct seq_file *m, void *v)
 {
-       int len = 0;
        BLOCK *p;
 
        PRINT_PROC("Total ST-RAM:      %8u kB\n",
                           (stram_end - stram_start) >> 10);
        PRINT_PROC( "Allocated regions:\n" );
        for( p = alloc_list; p; p = p->next ) {
-               if (len + 50 >= PAGE_SIZE)
-                       break;
                PRINT_PROC("0x%08lx-0x%08lx: %s (",
                           virt_to_phys(p->start),
                           virt_to_phys(p->start+p->size-1),
@@ -346,9 +344,27 @@ int get_stram_list( char *buf )
                        PRINT_PROC( "??)\n" );
        }
 
-       return( len );
+       return 0;
+}
+
+static int stram_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, stram_proc_show, NULL);
 }
 
+static const struct file_operations stram_proc_fops = {
+       .open           = stram_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_stram_init(void)
+{
+       proc_create("stram", 0, NULL, &stram_proc_fops);
+       return 0;
+}
+module_init(proc_stram_init);
 #endif
 
 
index 65c9204ab9ac626aaec3066967bdce9b1792ea60..c072595928c06d0496df7ec0b9a197b763709925 100644 (file)
@@ -38,7 +38,6 @@
 #include <asm/bvme6000hw.h>
 
 static void bvme6000_get_model(char *model);
-static int  bvme6000_get_hardware_list(char *buffer);
 extern void bvme6000_sched_init(irq_handler_t handler);
 extern unsigned long bvme6000_gettimeoffset (void);
 extern int bvme6000_hwclk (int, struct rtc_time *);
@@ -82,15 +81,6 @@ static void bvme6000_get_model(char *model)
     sprintf(model, "BVME%d000", m68k_cputype == CPU_68060 ? 6 : 4);
 }
 
-
-/* No hardware options on BVME6000? */
-
-static int bvme6000_get_hardware_list(char *buffer)
-{
-    *buffer = '\0';
-    return 0;
-}
-
 /*
  * This function is called during kernel startup to initialize
  * the bvme6000 IRQ handling routines.
@@ -127,7 +117,6 @@ void __init config_bvme6000(void)
     mach_set_clock_mmss         = bvme6000_set_clock_mmss;
     mach_reset          = bvme6000_reset;
     mach_get_model       = bvme6000_get_model;
-    mach_get_hardware_list = bvme6000_get_hardware_list;
 
     printk ("Board is %sconfigured as a System Controller\n",
                *config_reg_ptr & BVME_CONFIG_SW1 ? "" : "not ");
index ea1e44da19b9145a2cccd159488b0d427902f10e..4d97bd2bd573845db42d11b8b03c096b5148eac9 100644 (file)
@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/module.h>
 #include <linux/initrd.h>
@@ -80,7 +81,7 @@ void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
 /* machine dependent irq functions */
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
-int (*mach_get_hardware_list) (char *buffer);
+void (*mach_get_hardware_list) (struct seq_file *m);
 /* machine dependent timer functions */
 unsigned long (*mach_gettimeoffset) (void);
 int (*mach_hwclk) (int, struct rtc_time*);
@@ -467,9 +468,9 @@ const struct seq_operations cpuinfo_op = {
        .show   = show_cpuinfo,
 };
 
-int get_hardware_list(char *buffer)
+#ifdef CONFIG_PROC_HARDWARE
+static int hardware_proc_show(struct seq_file *m, void *v)
 {
-       int len = 0;
        char model[80];
        unsigned long mem;
        int i;
@@ -479,17 +480,37 @@ int get_hardware_list(char *buffer)
        else
                strcpy(model, "Unknown m68k");
 
-       len += sprintf(buffer + len, "Model:\t\t%s\n", model);
+       seq_printf(m, "Model:\t\t%s\n", model);
        for (mem = 0, i = 0; i < m68k_num_memory; i++)
                mem += m68k_memory[i].size;
-       len += sprintf(buffer + len, "System Memory:\t%ldK\n", mem >> 10);
+       seq_printf(m, "System Memory:\t%ldK\n", mem >> 10);
 
        if (mach_get_hardware_list)
-               len += mach_get_hardware_list(buffer + len);
+               mach_get_hardware_list(m);
 
-       return len;
+       return 0;
+}
+
+static int hardware_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, hardware_proc_show, NULL);
 }
 
+static const struct file_operations hardware_proc_fops = {
+       .open           = hardware_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_hardware_init(void)
+{
+       proc_create("hardware", 0, NULL, &hardware_proc_fops);
+       return 0;
+}
+module_init(proc_hardware_init);
+#endif
+
 void check_bugs(void)
 {
 #ifndef CONFIG_M68KFPU_EMU
index 92fe507141126fd566973e9598c86dd31e9eb389..43cdf476ffab17cd690b1bb8e8abba98082755a4 100644 (file)
@@ -37,7 +37,6 @@
 
 
 static void mvme147_get_model(char *model);
-static int  mvme147_get_hardware_list(char *buffer);
 extern void mvme147_sched_init(irq_handler_t handler);
 extern unsigned long mvme147_gettimeoffset (void);
 extern int mvme147_hwclk (int, struct rtc_time *);
@@ -76,14 +75,6 @@ static void mvme147_get_model(char *model)
        sprintf(model, "Motorola MVME147");
 }
 
-
-static int mvme147_get_hardware_list(char *buffer)
-{
-       *buffer = '\0';
-
-       return 0;
-}
-
 /*
  * This function is called during kernel startup to initialize
  * the mvme147 IRQ handling routines.
@@ -104,7 +95,6 @@ void __init config_mvme147(void)
        mach_set_clock_mmss     = mvme147_set_clock_mmss;
        mach_reset              = mvme147_reset;
        mach_get_model          = mvme147_get_model;
-       mach_get_hardware_list  = mvme147_get_hardware_list;
 
        /* Board type is only set by newer versions of vmelilo/tftplilo */
        if (!vme_brdtype)
index 24cbc3030454aed4a76e847cfed91f415d8fc33b..1521826fc3c7caef9a62935a2bde21f0f6135378 100644 (file)
@@ -17,6 +17,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/linkage.h>
@@ -42,7 +43,6 @@ extern t_bdid mvme_bdid;
 static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE;
 
 static void mvme16x_get_model(char *model);
-static int  mvme16x_get_hardware_list(char *buffer);
 extern void mvme16x_sched_init(irq_handler_t handler);
 extern unsigned long mvme16x_gettimeoffset (void);
 extern int mvme16x_hwclk (int, struct rtc_time *);
@@ -93,26 +93,21 @@ static void mvme16x_get_model(char *model)
 }
 
 
-static int mvme16x_get_hardware_list(char *buffer)
+static void mvme16x_get_hardware_list(struct seq_file *m)
 {
     p_bdid p = &mvme_bdid;
-    int len = 0;
 
     if (p->brdno == 0x0162 || p->brdno == 0x0172)
     {
        unsigned char rev = *(unsigned char *)MVME162_VERSION_REG;
 
-       len += sprintf (buffer+len, "VMEchip2        %spresent\n",
+       seq_printf (m, "VMEchip2        %spresent\n",
                        rev & MVME16x_CONFIG_NO_VMECHIP2 ? "NOT " : "");
-       len += sprintf (buffer+len, "SCSI interface  %spresent\n",
+       seq_printf (m, "SCSI interface  %spresent\n",
                        rev & MVME16x_CONFIG_NO_SCSICHIP ? "NOT " : "");
-       len += sprintf (buffer+len, "Ethernet i/f    %spresent\n",
+       seq_printf (m, "Ethernet i/f    %spresent\n",
                        rev & MVME16x_CONFIG_NO_ETHERNET ? "NOT " : "");
     }
-    else
-       *buffer = '\0';
-
-    return (len);
 }
 
 /*
index 9c7eefa3f98a133bd53d767b0edbf3f622993416..7110546e3c00f412dcc88c7ad69111feb890d339 100644 (file)
@@ -39,7 +39,6 @@
 extern irqreturn_t q40_process_int(int level, struct pt_regs *regs);
 extern void q40_init_IRQ(void);
 static void q40_get_model(char *model);
-static int  q40_get_hardware_list(char *buffer);
 extern void q40_sched_init(irq_handler_t handler);
 
 static unsigned long q40_gettimeoffset(void);
@@ -153,14 +152,6 @@ static void q40_get_model(char *model)
        sprintf(model, "Q40");
 }
 
-/* No hardware options on Q40? */
-
-static int q40_get_hardware_list(char *buffer)
-{
-       *buffer = '\0';
-       return 0;
-}
-
 static unsigned int serports[] =
 {
        0x3f8,0x2f8,0x3e8,0x2e8,0
@@ -191,7 +182,6 @@ void __init config_q40(void)
 
        mach_reset = q40_reset;
        mach_get_model = q40_get_model;
-       mach_get_hardware_list = q40_get_hardware_list;
 
 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
        mach_beep = q40_mksound;
index 732087d0735cf53d02e80d9f18fa63e24208429a..8dfaa201342e142726fc7d4671649da57148040a 100644 (file)
@@ -11,6 +11,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/init.h>
@@ -46,16 +47,9 @@ extern volatile unsigned char* sun3_intreg;
 extern unsigned long availmem;
 unsigned long num_pages;
 
-static int sun3_get_hardware_list(char *buffer)
+static void sun3_get_hardware_list(struct seq_file *m)
 {
-
-       int len = 0;
-
-       len += sprintf(buffer + len, "PROM Revision:\t%s\n",
-                      romvec->pv_monid);
-
-       return len;
-
+       seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
 void __init sun3_init(void)
index 987891783a472f64662ba93b2093639aebcd0960..2b1ca2db070fc429e25cfb9ae9140c5b26f8cbe9 100644 (file)
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/init.h>
 
@@ -31,16 +32,9 @@ void sun3_leds(unsigned int i)
 
 }
 
-static int sun3x_get_hardware_list(char *buffer)
+static void sun3x_get_hardware_list(struct seq_file *m)
 {
-
-       int len = 0;
-
-       len += sprintf(buffer + len, "PROM Revision:\t%s\n",
-                      romvec->pv_monid);
-
-       return len;
-
+       seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
 /*
index fb7d1e9985b5a4ea4940dab4ee63c9777ec174ed..c012f3b11671574150720dcaee023780cd79d905 100644 (file)
@@ -348,7 +348,8 @@ static inline void native_pagetable_setup_start(pgd_t *base) {}
 static inline void native_pagetable_setup_done(pgd_t *base) {}
 #endif
 
-extern int arch_report_meminfo(char *page);
+struct seq_file;
+extern void arch_report_meminfo(struct seq_file *m);
 
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
index 407d8784f669603fd48667c8d2ee22bb8e870f35..f1dc1b75d166696628a02ea473a5bdbc0dcaabe5 100644 (file)
@@ -65,23 +65,22 @@ static void split_page_count(int level)
        direct_pages_count[level - 1] += PTRS_PER_PTE;
 }
 
-int arch_report_meminfo(char *page)
+void arch_report_meminfo(struct seq_file *m)
 {
-       int n = sprintf(page, "DirectMap4k:  %8lu kB\n",
+       seq_printf(m, "DirectMap4k:  %8lu kB\n",
                        direct_pages_count[PG_LEVEL_4K] << 2);
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
-       n += sprintf(page + n, "DirectMap2M:  %8lu kB\n",
+       seq_printf(m, "DirectMap2M:  %8lu kB\n",
                        direct_pages_count[PG_LEVEL_2M] << 11);
 #else
-       n += sprintf(page + n, "DirectMap4M:  %8lu kB\n",
+       seq_printf(m, "DirectMap4M:  %8lu kB\n",
                        direct_pages_count[PG_LEVEL_2M] << 12);
 #endif
 #ifdef CONFIG_X86_64
        if (direct_gbpages)
-               n += sprintf(page + n, "DirectMap1G:  %8lu kB\n",
+               seq_printf(m, "DirectMap1G:  %8lu kB\n",
                        direct_pages_count[PG_LEVEL_1G] << 20);
 #endif
-       return n;
 }
 #else
 static inline void split_page_count(int level) { }
index 646e1d2507c70d2ba88824c3dd84d91874ecb192..4e5e7493f6764e8f3a03b62e40bd40b724d15880 100644 (file)
@@ -10,6 +10,7 @@
 #include <linux/blkdev.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/kmod.h>
@@ -727,12 +728,24 @@ static int show_partition(struct seq_file *seqf, void *v)
        return 0;
 }
 
-const struct seq_operations partitions_op = {
+static const struct seq_operations partitions_op = {
        .start  = show_partition_start,
        .next   = disk_seqf_next,
        .stop   = disk_seqf_stop,
        .show   = show_partition
 };
+
+static int partitions_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &partitions_op);
+}
+
+static const struct file_operations proc_partitions_operations = {
+       .open           = partitions_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
 #endif
 
 
@@ -992,12 +1005,32 @@ static int diskstats_show(struct seq_file *seqf, void *v)
        return 0;
 }
 
-const struct seq_operations diskstats_op = {
+static const struct seq_operations diskstats_op = {
        .start  = disk_seqf_start,
        .next   = disk_seqf_next,
        .stop   = disk_seqf_stop,
        .show   = diskstats_show
 };
+
+static int diskstats_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &diskstats_op);
+}
+
+static const struct file_operations proc_diskstats_operations = {
+       .open           = diskstats_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_genhd_init(void)
+{
+       proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
+       proc_create("partitions", 0, NULL, &proc_partitions_operations);
+       return 0;
+}
+module_init(proc_genhd_init);
 #endif /* CONFIG_PROC_FS */
 
 static void media_change_notify_thread(struct work_struct *work)
index f37f87262837aaf6e47526d4895a000f1f9024c2..d0e20ced62ddd73fafdd6dec830d53fa479189bf 100644 (file)
@@ -8,6 +8,8 @@
 
 #include <linux/syscalls.h>
 #include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/kmod.h>
 #include <linux/init.h>
@@ -214,6 +216,43 @@ int get_filesystem_list(char * buf)
        return len;
 }
 
+#ifdef CONFIG_PROC_FS
+static int filesystems_proc_show(struct seq_file *m, void *v)
+{
+       struct file_system_type * tmp;
+
+       read_lock(&file_systems_lock);
+       tmp = file_systems;
+       while (tmp) {
+               seq_printf(m, "%s\t%s\n",
+                       (tmp->fs_flags & FS_REQUIRES_DEV) ? "" : "nodev",
+                       tmp->name);
+               tmp = tmp->next;
+       }
+       read_unlock(&file_systems_lock);
+       return 0;
+}
+
+static int filesystems_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, filesystems_proc_show, NULL);
+}
+
+static const struct file_operations filesystems_proc_fops = {
+       .open           = filesystems_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_filesystems_init(void)
+{
+       proc_create("filesystems", 0, NULL, &filesystems_proc_fops);
+       return 0;
+}
+module_init(proc_filesystems_init);
+#endif
+
 struct file_system_type *get_fs_type(const char *name)
 {
        struct file_system_type *fs;
index 20457486d6b2a95e67783f220b89f8cb19e22d3e..09062e3ff104d7222d4725d757c5493da3ad68fa 100644 (file)
@@ -2079,6 +2079,7 @@ int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
 EXPORT_SYMBOL_GPL(vfs_cancel_lock);
 
 #ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 static void lock_get_status(struct seq_file *f, struct file_lock *fl,
@@ -2184,12 +2185,31 @@ static void locks_stop(struct seq_file *f, void *v)
        unlock_kernel();
 }
 
-struct seq_operations locks_seq_operations = {
+static const struct seq_operations locks_seq_operations = {
        .start  = locks_start,
        .next   = locks_next,
        .stop   = locks_stop,
        .show   = locks_show,
 };
+
+static int locks_open(struct inode *inode, struct file *filp)
+{
+       return seq_open(filp, &locks_seq_operations);
+}
+
+static const struct file_operations proc_locks_operations = {
+       .open           = locks_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_locks_init(void)
+{
+       proc_create("locks", 0, NULL, &proc_locks_operations);
+       return 0;
+}
+module_init(proc_locks_init);
 #endif
 
 /**
index ebaba0213546a9cabc11539bb5cf047124e3a32e..63d965193b228726cc15957c54edc333d4ff0676 100644 (file)
@@ -8,11 +8,20 @@ proc-y                        := nommu.o task_nommu.o
 proc-$(CONFIG_MMU)     := mmu.o task_mmu.o
 
 proc-y       += inode.o root.o base.o generic.o array.o \
-               proc_tty.o proc_misc.o
-
+               proc_tty.o
+proc-y += cmdline.o
+proc-y += cpuinfo.o
+proc-y += devices.o
+proc-y += interrupts.o
+proc-y += loadavg.o
+proc-y += meminfo.o
+proc-y += stat.o
+proc-y += uptime.o
+proc-y += version.o
 proc-$(CONFIG_PROC_SYSCTL)     += proc_sysctl.o
 proc-$(CONFIG_NET)             += proc_net.o
 proc-$(CONFIG_PROC_KCORE)      += kcore.o
 proc-$(CONFIG_PROC_VMCORE)     += vmcore.o
 proc-$(CONFIG_PROC_DEVICETREE) += proc_devtree.o
 proc-$(CONFIG_PRINTK)  += kmsg.o
+proc-$(CONFIG_PROC_PAGE_MONITOR)       += page.o
diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c
new file mode 100644 (file)
index 0000000..82676e3
--- /dev/null
@@ -0,0 +1,29 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int cmdline_proc_show(struct seq_file *m, void *v)
+{
+       seq_printf(m, "%s\n", saved_command_line);
+       return 0;
+}
+
+static int cmdline_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, cmdline_proc_show, NULL);
+}
+
+static const struct file_operations cmdline_proc_fops = {
+       .open           = cmdline_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_cmdline_init(void)
+{
+       proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
+       return 0;
+}
+module_init(proc_cmdline_init);
diff --git a/fs/proc/cpuinfo.c b/fs/proc/cpuinfo.c
new file mode 100644 (file)
index 0000000..5a1e539
--- /dev/null
@@ -0,0 +1,24 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+extern const struct seq_operations cpuinfo_op;
+static int cpuinfo_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &cpuinfo_op);
+}
+
+static const struct file_operations proc_cpuinfo_operations = {
+       .open           = cpuinfo_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_cpuinfo_init(void)
+{
+       proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
+       return 0;
+}
+module_init(proc_cpuinfo_init);
diff --git a/fs/proc/devices.c b/fs/proc/devices.c
new file mode 100644 (file)
index 0000000..59ee7da
--- /dev/null
@@ -0,0 +1,70 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int devinfo_show(struct seq_file *f, void *v)
+{
+       int i = *(loff_t *) v;
+
+       if (i < CHRDEV_MAJOR_HASH_SIZE) {
+               if (i == 0)
+                       seq_printf(f, "Character devices:\n");
+               chrdev_show(f, i);
+       }
+#ifdef CONFIG_BLOCK
+       else {
+               i -= CHRDEV_MAJOR_HASH_SIZE;
+               if (i == 0)
+                       seq_printf(f, "\nBlock devices:\n");
+               blkdev_show(f, i);
+       }
+#endif
+       return 0;
+}
+
+static void *devinfo_start(struct seq_file *f, loff_t *pos)
+{
+       if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
+               return pos;
+       return NULL;
+}
+
+static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
+{
+       (*pos)++;
+       if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
+               return NULL;
+       return pos;
+}
+
+static void devinfo_stop(struct seq_file *f, void *v)
+{
+       /* Nothing to do */
+}
+
+static const struct seq_operations devinfo_ops = {
+       .start = devinfo_start,
+       .next  = devinfo_next,
+       .stop  = devinfo_stop,
+       .show  = devinfo_show
+};
+
+static int devinfo_open(struct inode *inode, struct file *filp)
+{
+       return seq_open(filp, &devinfo_ops);
+}
+
+static const struct file_operations proc_devinfo_operations = {
+       .open           = devinfo_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_devices_init(void)
+{
+       proc_create("devices", 0, NULL, &proc_devinfo_operations);
+       return 0;
+}
+module_init(proc_devices_init);
index 7821589a17d58748f9143108be13bbcd1de9dc97..60a359b355821a032c36d22beb4740fdc763075e 100644 (file)
@@ -547,9 +547,8 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
 
        for (tmp = dir->subdir; tmp; tmp = tmp->next)
                if (strcmp(tmp->name, dp->name) == 0) {
-                       printk(KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
+                       WARN(1, KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
                                dir->name, dp->name);
-                       dump_stack();
                        break;
                }
 
index c6b4fa7e3b49e9a2625bf3a76465c85d7df7eba2..2543fd00c6589cc8218169f16b0214de9c063f81 100644 (file)
@@ -106,14 +106,13 @@ static void init_once(void *foo)
        inode_init_once(&ei->vfs_inode);
 }
 
-int __init proc_init_inodecache(void)
+void __init proc_init_inodecache(void)
 {
        proc_inode_cachep = kmem_cache_create("proc_inode_cache",
                                             sizeof(struct proc_inode),
                                             0, (SLAB_RECLAIM_ACCOUNT|
                                                SLAB_MEM_SPREAD|SLAB_PANIC),
                                             init_once);
-       return 0;
 }
 
 static const struct super_operations proc_sops = {
index 3bfb7b8747b3f027657a217a18ff0a7bc37b6f5d..3e8aeb8b61ce251601f8795d3f6bd4fd423beed0 100644 (file)
@@ -61,12 +61,11 @@ extern const struct file_operations proc_smaps_operations;
 extern const struct file_operations proc_clear_refs_operations;
 extern const struct file_operations proc_pagemap_operations;
 extern const struct file_operations proc_net_operations;
-extern const struct file_operations proc_kmsg_operations;
 extern const struct inode_operations proc_net_inode_operations;
 
 void free_proc_entry(struct proc_dir_entry *de);
 
-int proc_init_inodecache(void);
+void proc_init_inodecache(void);
 
 static inline struct pid *proc_pid(struct inode *inode)
 {
diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
new file mode 100644 (file)
index 0000000..05029c0
--- /dev/null
@@ -0,0 +1,53 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irqnr.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+/*
+ * /proc/interrupts
+ */
+static void *int_seq_start(struct seq_file *f, loff_t *pos)
+{
+       return (*pos <= nr_irqs) ? pos : NULL;
+}
+
+static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
+{
+       (*pos)++;
+       if (*pos > nr_irqs)
+               return NULL;
+       return pos;
+}
+
+static void int_seq_stop(struct seq_file *f, void *v)
+{
+       /* Nothing to do */
+}
+
+static const struct seq_operations int_seq_ops = {
+       .start = int_seq_start,
+       .next  = int_seq_next,
+       .stop  = int_seq_stop,
+       .show  = show_interrupts
+};
+
+static int interrupts_open(struct inode *inode, struct file *filp)
+{
+       return seq_open(filp, &int_seq_ops);
+}
+
+static const struct file_operations proc_interrupts_operations = {
+       .open           = interrupts_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_interrupts_init(void)
+{
+       proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
+       return 0;
+}
+module_init(proc_interrupts_init);
index c2370c76fb711d6c7c32fba6ec34ffac437d7b65..59b43a068872de286df70b7632ae982f4ce149ab 100644 (file)
@@ -27,6 +27,8 @@
 #define ELF_CORE_EFLAGS        0
 #endif
 
+static struct proc_dir_entry *proc_root_kcore;
+
 static int open_kcore(struct inode * inode, struct file * filp)
 {
        return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
@@ -34,7 +36,7 @@ static int open_kcore(struct inode * inode, struct file * filp)
 
 static ssize_t read_kcore(struct file *, char __user *, size_t, loff_t *);
 
-const struct file_operations proc_kcore_operations = {
+static const struct file_operations proc_kcore_operations = {
        .read           = read_kcore,
        .open           = open_kcore,
 };
@@ -399,3 +401,13 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
 
        return acc;
 }
+
+static int __init proc_kcore_init(void)
+{
+       proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
+       if (proc_root_kcore)
+               proc_root_kcore->size =
+                               (size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
+       return 0;
+}
+module_init(proc_kcore_init);
index 9fd5df3f40ce7d0dcc4f78559fdd5eb2c521da4f..7ca78346d3f0f9ceed2014a42c2c03b774f1393f 100644 (file)
 #include <linux/time.h>
 #include <linux/kernel.h>
 #include <linux/poll.h>
+#include <linux/proc_fs.h>
 #include <linux/fs.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-#include "internal.h"
-
 extern wait_queue_head_t log_wait;
 
 extern int do_syslog(int type, char __user *bug, int count);
@@ -49,9 +48,16 @@ static unsigned int kmsg_poll(struct file *file, poll_table *wait)
 }
 
 
-const struct file_operations proc_kmsg_operations = {
+static const struct file_operations proc_kmsg_operations = {
        .read           = kmsg_read,
        .poll           = kmsg_poll,
        .open           = kmsg_open,
        .release        = kmsg_release,
 };
+
+static int __init proc_kmsg_init(void)
+{
+       proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
+       return 0;
+}
+module_init(proc_kmsg_init);
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c
new file mode 100644 (file)
index 0000000..9bca39c
--- /dev/null
@@ -0,0 +1,51 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/pid_namespace.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/seqlock.h>
+#include <linux/time.h>
+
+#define LOAD_INT(x) ((x) >> FSHIFT)
+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
+
+static int loadavg_proc_show(struct seq_file *m, void *v)
+{
+       int a, b, c;
+       unsigned long seq;
+
+       do {
+               seq = read_seqbegin(&xtime_lock);
+               a = avenrun[0] + (FIXED_1/200);
+               b = avenrun[1] + (FIXED_1/200);
+               c = avenrun[2] + (FIXED_1/200);
+       } while (read_seqretry(&xtime_lock, seq));
+
+       seq_printf(m, "%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
+               LOAD_INT(a), LOAD_FRAC(a),
+               LOAD_INT(b), LOAD_FRAC(b),
+               LOAD_INT(c), LOAD_FRAC(c),
+               nr_running(), nr_threads,
+               task_active_pid_ns(current)->last_pid);
+       return 0;
+}
+
+static int loadavg_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, loadavg_proc_show, NULL);
+}
+
+static const struct file_operations loadavg_proc_fops = {
+       .open           = loadavg_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_loadavg_init(void)
+{
+       proc_create("loadavg", 0, NULL, &loadavg_proc_fops);
+       return 0;
+}
+module_init(proc_loadavg_init);
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
new file mode 100644 (file)
index 0000000..b1675c4
--- /dev/null
@@ -0,0 +1,168 @@
+#include <linux/fs.h>
+#include <linux/hugetlb.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/mmzone.h>
+#include <linux/proc_fs.h>
+#include <linux/quicklist.h>
+#include <linux/seq_file.h>
+#include <linux/swap.h>
+#include <linux/vmstat.h>
+#include <asm/atomic.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include "internal.h"
+
+void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
+{
+}
+
+static int meminfo_proc_show(struct seq_file *m, void *v)
+{
+       struct sysinfo i;
+       unsigned long committed;
+       unsigned long allowed;
+       struct vmalloc_info vmi;
+       long cached;
+       unsigned long pages[NR_LRU_LISTS];
+       int lru;
+
+/*
+ * display in kilobytes.
+ */
+#define K(x) ((x) << (PAGE_SHIFT - 10))
+       si_meminfo(&i);
+       si_swapinfo(&i);
+       committed = atomic_long_read(&vm_committed_space);
+       allowed = ((totalram_pages - hugetlb_total_pages())
+               * sysctl_overcommit_ratio / 100) + total_swap_pages;
+
+       cached = global_page_state(NR_FILE_PAGES) -
+                       total_swapcache_pages - i.bufferram;
+       if (cached < 0)
+               cached = 0;
+
+       get_vmalloc_info(&vmi);
+
+       for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
+               pages[lru] = global_page_state(NR_LRU_BASE + lru);
+
+       /*
+        * Tagged format, for easy grepping and expansion.
+        */
+       seq_printf(m,
+               "MemTotal:       %8lu kB\n"
+               "MemFree:        %8lu kB\n"
+               "Buffers:        %8lu kB\n"
+               "Cached:         %8lu kB\n"
+               "SwapCached:     %8lu kB\n"
+               "Active:         %8lu kB\n"
+               "Inactive:       %8lu kB\n"
+               "Active(anon):   %8lu kB\n"
+               "Inactive(anon): %8lu kB\n"
+               "Active(file):   %8lu kB\n"
+               "Inactive(file): %8lu kB\n"
+#ifdef CONFIG_UNEVICTABLE_LRU
+               "Unevictable:    %8lu kB\n"
+               "Mlocked:        %8lu kB\n"
+#endif
+#ifdef CONFIG_HIGHMEM
+               "HighTotal:      %8lu kB\n"
+               "HighFree:       %8lu kB\n"
+               "LowTotal:       %8lu kB\n"
+               "LowFree:        %8lu kB\n"
+#endif
+               "SwapTotal:      %8lu kB\n"
+               "SwapFree:       %8lu kB\n"
+               "Dirty:          %8lu kB\n"
+               "Writeback:      %8lu kB\n"
+               "AnonPages:      %8lu kB\n"
+               "Mapped:         %8lu kB\n"
+               "Slab:           %8lu kB\n"
+               "SReclaimable:   %8lu kB\n"
+               "SUnreclaim:     %8lu kB\n"
+               "PageTables:     %8lu kB\n"
+#ifdef CONFIG_QUICKLIST
+               "Quicklists:     %8lu kB\n"
+#endif
+               "NFS_Unstable:   %8lu kB\n"
+               "Bounce:         %8lu kB\n"
+               "WritebackTmp:   %8lu kB\n"
+               "CommitLimit:    %8lu kB\n"
+               "Committed_AS:   %8lu kB\n"
+               "VmallocTotal:   %8lu kB\n"
+               "VmallocUsed:    %8lu kB\n"
+               "VmallocChunk:   %8lu kB\n",
+               K(i.totalram),
+               K(i.freeram),
+               K(i.bufferram),
+               K(cached),
+               K(total_swapcache_pages),
+               K(pages[LRU_ACTIVE_ANON]   + pages[LRU_ACTIVE_FILE]),
+               K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
+               K(pages[LRU_ACTIVE_ANON]),
+               K(pages[LRU_INACTIVE_ANON]),
+               K(pages[LRU_ACTIVE_FILE]),
+               K(pages[LRU_INACTIVE_FILE]),
+#ifdef CONFIG_UNEVICTABLE_LRU
+               K(pages[LRU_UNEVICTABLE]),
+               K(global_page_state(NR_MLOCK)),
+#endif
+#ifdef CONFIG_HIGHMEM
+               K(i.totalhigh),
+               K(i.freehigh),
+               K(i.totalram-i.totalhigh),
+               K(i.freeram-i.freehigh),
+#endif
+               K(i.totalswap),
+               K(i.freeswap),
+               K(global_page_state(NR_FILE_DIRTY)),
+               K(global_page_state(NR_WRITEBACK)),
+               K(global_page_state(NR_ANON_PAGES)),
+               K(global_page_state(NR_FILE_MAPPED)),
+               K(global_page_state(NR_SLAB_RECLAIMABLE) +
+                               global_page_state(NR_SLAB_UNRECLAIMABLE)),
+               K(global_page_state(NR_SLAB_RECLAIMABLE)),
+               K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
+               K(global_page_state(NR_PAGETABLE)),
+#ifdef CONFIG_QUICKLIST
+               K(quicklist_total_size()),
+#endif
+               K(global_page_state(NR_UNSTABLE_NFS)),
+               K(global_page_state(NR_BOUNCE)),
+               K(global_page_state(NR_WRITEBACK_TEMP)),
+               K(allowed),
+               K(committed),
+               (unsigned long)VMALLOC_TOTAL >> 10,
+               vmi.used >> 10,
+               vmi.largest_chunk >> 10
+               );
+
+       hugetlb_report_meminfo(m);
+
+       arch_report_meminfo(m);
+
+       return 0;
+#undef K
+}
+
+static int meminfo_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, meminfo_proc_show, NULL);
+}
+
+static const struct file_operations meminfo_proc_fops = {
+       .open           = meminfo_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_meminfo_init(void)
+{
+       proc_create("meminfo", 0, NULL, &meminfo_proc_fops);
+       return 0;
+}
+module_init(proc_meminfo_init);
diff --git a/fs/proc/page.c b/fs/proc/page.c
new file mode 100644 (file)
index 0000000..767d95a
--- /dev/null
@@ -0,0 +1,147 @@
+#include <linux/bootmem.h>
+#include <linux/compiler.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <asm/uaccess.h>
+#include "internal.h"
+
+#define KPMSIZE sizeof(u64)
+#define KPMMASK (KPMSIZE - 1)
+/* /proc/kpagecount - an array exposing page counts
+ *
+ * Each entry is a u64 representing the corresponding
+ * physical page count.
+ */
+static ssize_t kpagecount_read(struct file *file, char __user *buf,
+                            size_t count, loff_t *ppos)
+{
+       u64 __user *out = (u64 __user *)buf;
+       struct page *ppage;
+       unsigned long src = *ppos;
+       unsigned long pfn;
+       ssize_t ret = 0;
+       u64 pcount;
+
+       pfn = src / KPMSIZE;
+       count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
+       if (src & KPMMASK || count & KPMMASK)
+               return -EINVAL;
+
+       while (count > 0) {
+               ppage = NULL;
+               if (pfn_valid(pfn))
+                       ppage = pfn_to_page(pfn);
+               pfn++;
+               if (!ppage)
+                       pcount = 0;
+               else
+                       pcount = page_mapcount(ppage);
+
+               if (put_user(pcount, out++)) {
+                       ret = -EFAULT;
+                       break;
+               }
+
+               count -= KPMSIZE;
+       }
+
+       *ppos += (char __user *)out - buf;
+       if (!ret)
+               ret = (char __user *)out - buf;
+       return ret;
+}
+
+static const struct file_operations proc_kpagecount_operations = {
+       .llseek = mem_lseek,
+       .read = kpagecount_read,
+};
+
+/* /proc/kpageflags - an array exposing page flags
+ *
+ * Each entry is a u64 representing the corresponding
+ * physical page flags.
+ */
+
+/* These macros are used to decouple internal flags from exported ones */
+
+#define KPF_LOCKED     0
+#define KPF_ERROR      1
+#define KPF_REFERENCED 2
+#define KPF_UPTODATE   3
+#define KPF_DIRTY      4
+#define KPF_LRU        5
+#define KPF_ACTIVE     6
+#define KPF_SLAB       7
+#define KPF_WRITEBACK  8
+#define KPF_RECLAIM    9
+#define KPF_BUDDY     10
+
+#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
+
+static ssize_t kpageflags_read(struct file *file, char __user *buf,
+                            size_t count, loff_t *ppos)
+{
+       u64 __user *out = (u64 __user *)buf;
+       struct page *ppage;
+       unsigned long src = *ppos;
+       unsigned long pfn;
+       ssize_t ret = 0;
+       u64 kflags, uflags;
+
+       pfn = src / KPMSIZE;
+       count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
+       if (src & KPMMASK || count & KPMMASK)
+               return -EINVAL;
+
+       while (count > 0) {
+               ppage = NULL;
+               if (pfn_valid(pfn))
+                       ppage = pfn_to_page(pfn);
+               pfn++;
+               if (!ppage)
+                       kflags = 0;
+               else
+                       kflags = ppage->flags;
+
+               uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
+                       kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
+                       kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
+                       kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |
+                       kpf_copy_bit(kflags, KPF_DIRTY, PG_dirty) |
+                       kpf_copy_bit(kflags, KPF_LRU, PG_lru) |
+                       kpf_copy_bit(kflags, KPF_ACTIVE, PG_active) |
+                       kpf_copy_bit(kflags, KPF_SLAB, PG_slab) |
+                       kpf_copy_bit(kflags, KPF_WRITEBACK, PG_writeback) |
+                       kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
+                       kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
+
+               if (put_user(uflags, out++)) {
+                       ret = -EFAULT;
+                       break;
+               }
+
+               count -= KPMSIZE;
+       }
+
+       *ppos += (char __user *)out - buf;
+       if (!ret)
+               ret = (char __user *)out - buf;
+       return ret;
+}
+
+static const struct file_operations proc_kpageflags_operations = {
+       .llseek = mem_lseek,
+       .read = kpageflags_read,
+};
+
+static int __init proc_page_init(void)
+{
+       proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
+       proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
+       return 0;
+}
+module_init(proc_page_init);
index eca471bc85125626d32c011a820fd828f3124837..d777789b7a89e8f177a3ca5163590626bbe29983 100644 (file)
@@ -4,6 +4,7 @@
  * Copyright 1997 Paul Mackerras
  */
 #include <linux/errno.h>
+#include <linux/init.h>
 #include <linux/time.h>
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
@@ -214,7 +215,7 @@ void proc_device_tree_add_node(struct device_node *np,
 /*
  * Called on initialization to set up the /proc/device-tree subtree
  */
-void proc_device_tree_init(void)
+void __init proc_device_tree_init(void)
 {
        struct device_node *root;
        if ( !have_of )
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
deleted file mode 100644 (file)
index 7ea52c7..0000000
+++ /dev/null
@@ -1,933 +0,0 @@
-/*
- *  linux/fs/proc/proc_misc.c
- *
- *  linux/fs/proc/array.c
- *  Copyright (C) 1992  by Linus Torvalds
- *  based on ideas by Darren Senn
- *
- *  This used to be the part of array.c. See the rest of history and credits
- *  there. I took this into a separate file and switched the thing to generic
- *  proc_file_inode_operations, leaving in array.c only per-process stuff.
- *  Inumbers allocation made dynamic (via create_proc_entry()).  AV, May 1999.
- *
- * Changes:
- * Fulton Green      :  Encapsulated position metric calculations.
- *                     <kernel@FultonGreen.com>
- */
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/time.h>
-#include <linux/kernel.h>
-#include <linux/kernel_stat.h>
-#include <linux/fs.h>
-#include <linux/tty.h>
-#include <linux/string.h>
-#include <linux/mman.h>
-#include <linux/quicklist.h>
-#include <linux/proc_fs.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/mmzone.h>
-#include <linux/pagemap.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/genhd.h>
-#include <linux/smp.h>
-#include <linux/signal.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/times.h>
-#include <linux/profile.h>
-#include <linux/utsname.h>
-#include <linux/blkdev.h>
-#include <linux/hugetlb.h>
-#include <linux/jiffies.h>
-#include <linux/vmalloc.h>
-#include <linux/crash_dump.h>
-#include <linux/pid_namespace.h>
-#include <linux/bootmem.h>
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/io.h>
-#include <asm/tlb.h>
-#include <asm/div64.h>
-#include "internal.h"
-
-#define LOAD_INT(x) ((x) >> FSHIFT)
-#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
-/*
- * Warning: stuff below (imported functions) assumes that its output will fit
- * into one page. For some of those functions it may be wrong. Moreover, we
- * have a way to deal with that gracefully. Right now I used straightforward
- * wrappers, but this needs further analysis wrt potential overflows.
- */
-extern int get_hardware_list(char *);
-extern int get_stram_list(char *);
-extern int get_exec_domain_list(char *);
-
-static int proc_calc_metrics(char *page, char **start, off_t off,
-                                int count, int *eof, int len)
-{
-       if (len <= off+count) *eof = 1;
-       *start = page + off;
-       len -= off;
-       if (len>count) len = count;
-       if (len<0) len = 0;
-       return len;
-}
-
-static int loadavg_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int a, b, c;
-       int len;
-       unsigned long seq;
-
-       do {
-               seq = read_seqbegin(&xtime_lock);
-               a = avenrun[0] + (FIXED_1/200);
-               b = avenrun[1] + (FIXED_1/200);
-               c = avenrun[2] + (FIXED_1/200);
-       } while (read_seqretry(&xtime_lock, seq));
-
-       len = sprintf(page,"%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
-               LOAD_INT(a), LOAD_FRAC(a),
-               LOAD_INT(b), LOAD_FRAC(b),
-               LOAD_INT(c), LOAD_FRAC(c),
-               nr_running(), nr_threads,
-               task_active_pid_ns(current)->last_pid);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-static int uptime_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       struct timespec uptime;
-       struct timespec idle;
-       int len;
-       cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
-
-       do_posix_clock_monotonic_gettime(&uptime);
-       monotonic_to_bootbased(&uptime);
-       cputime_to_timespec(idletime, &idle);
-       len = sprintf(page,"%lu.%02lu %lu.%02lu\n",
-                       (unsigned long) uptime.tv_sec,
-                       (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
-                       (unsigned long) idle.tv_sec,
-                       (idle.tv_nsec / (NSEC_PER_SEC / 100)));
-
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-int __attribute__((weak)) arch_report_meminfo(char *page)
-{
-       return 0;
-}
-
-static int meminfo_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       struct sysinfo i;
-       int len;
-       unsigned long committed;
-       unsigned long allowed;
-       struct vmalloc_info vmi;
-       long cached;
-       unsigned long pages[NR_LRU_LISTS];
-       int lru;
-
-/*
- * display in kilobytes.
- */
-#define K(x) ((x) << (PAGE_SHIFT - 10))
-       si_meminfo(&i);
-       si_swapinfo(&i);
-       committed = atomic_long_read(&vm_committed_space);
-       allowed = ((totalram_pages - hugetlb_total_pages())
-               * sysctl_overcommit_ratio / 100) + total_swap_pages;
-
-       cached = global_page_state(NR_FILE_PAGES) -
-                       total_swapcache_pages - i.bufferram;
-       if (cached < 0)
-               cached = 0;
-
-       get_vmalloc_info(&vmi);
-
-       for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
-               pages[lru] = global_page_state(NR_LRU_BASE + lru);
-
-       /*
-        * Tagged format, for easy grepping and expansion.
-        */
-       len = sprintf(page,
-               "MemTotal:       %8lu kB\n"
-               "MemFree:        %8lu kB\n"
-               "Buffers:        %8lu kB\n"
-               "Cached:         %8lu kB\n"
-               "SwapCached:     %8lu kB\n"
-               "Active:         %8lu kB\n"
-               "Inactive:       %8lu kB\n"
-               "Active(anon):   %8lu kB\n"
-               "Inactive(anon): %8lu kB\n"
-               "Active(file):   %8lu kB\n"
-               "Inactive(file): %8lu kB\n"
-#ifdef CONFIG_UNEVICTABLE_LRU
-               "Unevictable:    %8lu kB\n"
-               "Mlocked:        %8lu kB\n"
-#endif
-#ifdef CONFIG_HIGHMEM
-               "HighTotal:      %8lu kB\n"
-               "HighFree:       %8lu kB\n"
-               "LowTotal:       %8lu kB\n"
-               "LowFree:        %8lu kB\n"
-#endif
-               "SwapTotal:      %8lu kB\n"
-               "SwapFree:       %8lu kB\n"
-               "Dirty:          %8lu kB\n"
-               "Writeback:      %8lu kB\n"
-               "AnonPages:      %8lu kB\n"
-               "Mapped:         %8lu kB\n"
-               "Slab:           %8lu kB\n"
-               "SReclaimable:   %8lu kB\n"
-               "SUnreclaim:     %8lu kB\n"
-               "PageTables:     %8lu kB\n"
-#ifdef CONFIG_QUICKLIST
-               "Quicklists:     %8lu kB\n"
-#endif
-               "NFS_Unstable:   %8lu kB\n"
-               "Bounce:         %8lu kB\n"
-               "WritebackTmp:   %8lu kB\n"
-               "CommitLimit:    %8lu kB\n"
-               "Committed_AS:   %8lu kB\n"
-               "VmallocTotal:   %8lu kB\n"
-               "VmallocUsed:    %8lu kB\n"
-               "VmallocChunk:   %8lu kB\n",
-               K(i.totalram),
-               K(i.freeram),
-               K(i.bufferram),
-               K(cached),
-               K(total_swapcache_pages),
-               K(pages[LRU_ACTIVE_ANON]   + pages[LRU_ACTIVE_FILE]),
-               K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
-               K(pages[LRU_ACTIVE_ANON]),
-               K(pages[LRU_INACTIVE_ANON]),
-               K(pages[LRU_ACTIVE_FILE]),
-               K(pages[LRU_INACTIVE_FILE]),
-#ifdef CONFIG_UNEVICTABLE_LRU
-               K(pages[LRU_UNEVICTABLE]),
-               K(global_page_state(NR_MLOCK)),
-#endif
-#ifdef CONFIG_HIGHMEM
-               K(i.totalhigh),
-               K(i.freehigh),
-               K(i.totalram-i.totalhigh),
-               K(i.freeram-i.freehigh),
-#endif
-               K(i.totalswap),
-               K(i.freeswap),
-               K(global_page_state(NR_FILE_DIRTY)),
-               K(global_page_state(NR_WRITEBACK)),
-               K(global_page_state(NR_ANON_PAGES)),
-               K(global_page_state(NR_FILE_MAPPED)),
-               K(global_page_state(NR_SLAB_RECLAIMABLE) +
-                               global_page_state(NR_SLAB_UNRECLAIMABLE)),
-               K(global_page_state(NR_SLAB_RECLAIMABLE)),
-               K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
-               K(global_page_state(NR_PAGETABLE)),
-#ifdef CONFIG_QUICKLIST
-               K(quicklist_total_size()),
-#endif
-               K(global_page_state(NR_UNSTABLE_NFS)),
-               K(global_page_state(NR_BOUNCE)),
-               K(global_page_state(NR_WRITEBACK_TEMP)),
-               K(allowed),
-               K(committed),
-               (unsigned long)VMALLOC_TOTAL >> 10,
-               vmi.used >> 10,
-               vmi.largest_chunk >> 10
-               );
-
-               len += hugetlb_report_meminfo(page + len);
-
-       len += arch_report_meminfo(page + len);
-
-       return proc_calc_metrics(page, start, off, count, eof, len);
-#undef K
-}
-
-static int fragmentation_open(struct inode *inode, struct file *file)
-{
-       (void)inode;
-       return seq_open(file, &fragmentation_op);
-}
-
-static const struct file_operations fragmentation_file_operations = {
-       .open           = fragmentation_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int pagetypeinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &pagetypeinfo_op);
-}
-
-static const struct file_operations pagetypeinfo_file_ops = {
-       .open           = pagetypeinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int zoneinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &zoneinfo_op);
-}
-
-static const struct file_operations proc_zoneinfo_file_operations = {
-       .open           = zoneinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int version_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int len;
-
-       len = snprintf(page, PAGE_SIZE, linux_proc_banner,
-               utsname()->sysname,
-               utsname()->release,
-               utsname()->version);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-extern const struct seq_operations cpuinfo_op;
-static int cpuinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &cpuinfo_op);
-}
-
-static const struct file_operations proc_cpuinfo_operations = {
-       .open           = cpuinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int devinfo_show(struct seq_file *f, void *v)
-{
-       int i = *(loff_t *) v;
-
-       if (i < CHRDEV_MAJOR_HASH_SIZE) {
-               if (i == 0)
-                       seq_printf(f, "Character devices:\n");
-               chrdev_show(f, i);
-       }
-#ifdef CONFIG_BLOCK
-       else {
-               i -= CHRDEV_MAJOR_HASH_SIZE;
-               if (i == 0)
-                       seq_printf(f, "\nBlock devices:\n");
-               blkdev_show(f, i);
-       }
-#endif
-       return 0;
-}
-
-static void *devinfo_start(struct seq_file *f, loff_t *pos)
-{
-       if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
-               return pos;
-       return NULL;
-}
-
-static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
-{
-       (*pos)++;
-       if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
-               return NULL;
-       return pos;
-}
-
-static void devinfo_stop(struct seq_file *f, void *v)
-{
-       /* Nothing to do */
-}
-
-static const struct seq_operations devinfo_ops = {
-       .start = devinfo_start,
-       .next  = devinfo_next,
-       .stop  = devinfo_stop,
-       .show  = devinfo_show
-};
-
-static int devinfo_open(struct inode *inode, struct file *filp)
-{
-       return seq_open(filp, &devinfo_ops);
-}
-
-static const struct file_operations proc_devinfo_operations = {
-       .open           = devinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int vmstat_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &vmstat_op);
-}
-static const struct file_operations proc_vmstat_file_operations = {
-       .open           = vmstat_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-#ifdef CONFIG_PROC_HARDWARE
-static int hardware_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int len = get_hardware_list(page);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-#endif
-
-#ifdef CONFIG_STRAM_PROC
-static int stram_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int len = get_stram_list(page);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-#endif
-
-#ifdef CONFIG_BLOCK
-static int partitions_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &partitions_op);
-}
-static const struct file_operations proc_partitions_operations = {
-       .open           = partitions_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int diskstats_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &diskstats_op);
-}
-static const struct file_operations proc_diskstats_operations = {
-       .open           = diskstats_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-#endif
-
-#ifdef CONFIG_MODULES
-extern const struct seq_operations modules_op;
-static int modules_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &modules_op);
-}
-static const struct file_operations proc_modules_operations = {
-       .open           = modules_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-#endif
-
-#ifdef CONFIG_SLABINFO
-static int slabinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &slabinfo_op);
-}
-static const struct file_operations proc_slabinfo_operations = {
-       .open           = slabinfo_open,
-       .read           = seq_read,
-       .write          = slabinfo_write,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-#ifdef CONFIG_DEBUG_SLAB_LEAK
-extern const struct seq_operations slabstats_op;
-static int slabstats_open(struct inode *inode, struct file *file)
-{
-       unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL);
-       int ret = -ENOMEM;
-       if (n) {
-               ret = seq_open(file, &slabstats_op);
-               if (!ret) {
-                       struct seq_file *m = file->private_data;
-                       *n = PAGE_SIZE / (2 * sizeof(unsigned long));
-                       m->private = n;
-                       n = NULL;
-               }
-               kfree(n);
-       }
-       return ret;
-}
-
-static const struct file_operations proc_slabstats_operations = {
-       .open           = slabstats_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release_private,
-};
-#endif
-#endif
-
-#ifdef CONFIG_MMU
-static int vmalloc_open(struct inode *inode, struct file *file)
-{
-       unsigned int *ptr = NULL;
-       int ret;
-
-       if (NUMA_BUILD)
-               ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
-       ret = seq_open(file, &vmalloc_op);
-       if (!ret) {
-               struct seq_file *m = file->private_data;
-               m->private = ptr;
-       } else
-               kfree(ptr);
-       return ret;
-}
-
-static const struct file_operations proc_vmalloc_operations = {
-       .open           = vmalloc_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release_private,
-};
-#endif
-
-#ifndef arch_irq_stat_cpu
-#define arch_irq_stat_cpu(cpu) 0
-#endif
-#ifndef arch_irq_stat
-#define arch_irq_stat() 0
-#endif
-
-static int show_stat(struct seq_file *p, void *v)
-{
-       int i, j;
-       unsigned long jif;
-       cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
-       cputime64_t guest;
-       u64 sum = 0;
-       struct timespec boottime;
-       unsigned int per_irq_sum;
-
-       user = nice = system = idle = iowait =
-               irq = softirq = steal = cputime64_zero;
-       guest = cputime64_zero;
-       getboottime(&boottime);
-       jif = boottime.tv_sec;
-
-       for_each_possible_cpu(i) {
-               user = cputime64_add(user, kstat_cpu(i).cpustat.user);
-               nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
-               system = cputime64_add(system, kstat_cpu(i).cpustat.system);
-               idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
-               iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
-               irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
-               softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
-               steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
-               guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-
-               for_each_irq_nr(j)
-                       sum += kstat_irqs_cpu(j, i);
-
-               sum += arch_irq_stat_cpu(i);
-       }
-       sum += arch_irq_stat();
-
-       seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
-               (unsigned long long)cputime64_to_clock_t(user),
-               (unsigned long long)cputime64_to_clock_t(nice),
-               (unsigned long long)cputime64_to_clock_t(system),
-               (unsigned long long)cputime64_to_clock_t(idle),
-               (unsigned long long)cputime64_to_clock_t(iowait),
-               (unsigned long long)cputime64_to_clock_t(irq),
-               (unsigned long long)cputime64_to_clock_t(softirq),
-               (unsigned long long)cputime64_to_clock_t(steal),
-               (unsigned long long)cputime64_to_clock_t(guest));
-       for_each_online_cpu(i) {
-
-               /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
-               user = kstat_cpu(i).cpustat.user;
-               nice = kstat_cpu(i).cpustat.nice;
-               system = kstat_cpu(i).cpustat.system;
-               idle = kstat_cpu(i).cpustat.idle;
-               iowait = kstat_cpu(i).cpustat.iowait;
-               irq = kstat_cpu(i).cpustat.irq;
-               softirq = kstat_cpu(i).cpustat.softirq;
-               steal = kstat_cpu(i).cpustat.steal;
-               guest = kstat_cpu(i).cpustat.guest;
-               seq_printf(p,
-                       "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
-                       i,
-                       (unsigned long long)cputime64_to_clock_t(user),
-                       (unsigned long long)cputime64_to_clock_t(nice),
-                       (unsigned long long)cputime64_to_clock_t(system),
-                       (unsigned long long)cputime64_to_clock_t(idle),
-                       (unsigned long long)cputime64_to_clock_t(iowait),
-                       (unsigned long long)cputime64_to_clock_t(irq),
-                       (unsigned long long)cputime64_to_clock_t(softirq),
-                       (unsigned long long)cputime64_to_clock_t(steal),
-                       (unsigned long long)cputime64_to_clock_t(guest));
-       }
-       seq_printf(p, "intr %llu", (unsigned long long)sum);
-
-       /* sum again ? it could be updated? */
-       for_each_irq_nr(j) {
-               per_irq_sum = 0;
-
-               for_each_possible_cpu(i)
-                       per_irq_sum += kstat_irqs_cpu(j, i);
-
-               seq_printf(p, " %u", per_irq_sum);
-       }
-
-       seq_printf(p,
-               "\nctxt %llu\n"
-               "btime %lu\n"
-               "processes %lu\n"
-               "procs_running %lu\n"
-               "procs_blocked %lu\n",
-               nr_context_switches(),
-               (unsigned long)jif,
-               total_forks,
-               nr_running(),
-               nr_iowait());
-
-       return 0;
-}
-
-static int stat_open(struct inode *inode, struct file *file)
-{
-       unsigned size = 4096 * (1 + num_possible_cpus() / 32);
-       char *buf;
-       struct seq_file *m;
-       int res;
-
-       /* don't ask for more than the kmalloc() max size, currently 128 KB */
-       if (size > 128 * 1024)
-               size = 128 * 1024;
-       buf = kmalloc(size, GFP_KERNEL);
-       if (!buf)
-               return -ENOMEM;
-
-       res = single_open(file, show_stat, NULL);
-       if (!res) {
-               m = file->private_data;
-               m->buf = buf;
-               m->size = size;
-       } else
-               kfree(buf);
-       return res;
-}
-static const struct file_operations proc_stat_operations = {
-       .open           = stat_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
-
-/*
- * /proc/interrupts
- */
-static void *int_seq_start(struct seq_file *f, loff_t *pos)
-{
-       return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-
-static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
-{
-       (*pos)++;
-       return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-static void int_seq_stop(struct seq_file *f, void *v)
-{
-       /* Nothing to do */
-}
-
-static const struct seq_operations int_seq_ops = {
-       .start = int_seq_start,
-       .next  = int_seq_next,
-       .stop  = int_seq_stop,
-       .show  = show_interrupts
-};
-
-static int interrupts_open(struct inode *inode, struct file *filp)
-{
-       return seq_open(filp, &int_seq_ops);
-}
-
-static const struct file_operations proc_interrupts_operations = {
-       .open           = interrupts_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int filesystems_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int len = get_filesystem_list(page);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-static int cmdline_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int len;
-
-       len = sprintf(page, "%s\n", saved_command_line);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-#ifdef CONFIG_FILE_LOCKING
-static int locks_open(struct inode *inode, struct file *filp)
-{
-       return seq_open(filp, &locks_seq_operations);
-}
-
-static const struct file_operations proc_locks_operations = {
-       .open           = locks_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-#endif /* CONFIG_FILE_LOCKING */
-
-static int execdomains_read_proc(char *page, char **start, off_t off,
-                                int count, int *eof, void *data)
-{
-       int len = get_exec_domain_list(page);
-       return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
-#ifdef CONFIG_PROC_PAGE_MONITOR
-#define KPMSIZE sizeof(u64)
-#define KPMMASK (KPMSIZE - 1)
-/* /proc/kpagecount - an array exposing page counts
- *
- * Each entry is a u64 representing the corresponding
- * physical page count.
- */
-static ssize_t kpagecount_read(struct file *file, char __user *buf,
-                            size_t count, loff_t *ppos)
-{
-       u64 __user *out = (u64 __user *)buf;
-       struct page *ppage;
-       unsigned long src = *ppos;
-       unsigned long pfn;
-       ssize_t ret = 0;
-       u64 pcount;
-
-       pfn = src / KPMSIZE;
-       count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
-       if (src & KPMMASK || count & KPMMASK)
-               return -EINVAL;
-
-       while (count > 0) {
-               ppage = NULL;
-               if (pfn_valid(pfn))
-                       ppage = pfn_to_page(pfn);
-               pfn++;
-               if (!ppage)
-                       pcount = 0;
-               else
-                       pcount = page_mapcount(ppage);
-
-               if (put_user(pcount, out++)) {
-                       ret = -EFAULT;
-                       break;
-               }
-
-               count -= KPMSIZE;
-       }
-
-       *ppos += (char __user *)out - buf;
-       if (!ret)
-               ret = (char __user *)out - buf;
-       return ret;
-}
-
-static struct file_operations proc_kpagecount_operations = {
-       .llseek = mem_lseek,
-       .read = kpagecount_read,
-};
-
-/* /proc/kpageflags - an array exposing page flags
- *
- * Each entry is a u64 representing the corresponding
- * physical page flags.
- */
-
-/* These macros are used to decouple internal flags from exported ones */
-
-#define KPF_LOCKED     0
-#define KPF_ERROR      1
-#define KPF_REFERENCED 2
-#define KPF_UPTODATE   3
-#define KPF_DIRTY      4
-#define KPF_LRU        5
-#define KPF_ACTIVE     6
-#define KPF_SLAB       7
-#define KPF_WRITEBACK  8
-#define KPF_RECLAIM    9
-#define KPF_BUDDY     10
-
-#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
-
-static ssize_t kpageflags_read(struct file *file, char __user *buf,
-                            size_t count, loff_t *ppos)
-{
-       u64 __user *out = (u64 __user *)buf;
-       struct page *ppage;
-       unsigned long src = *ppos;
-       unsigned long pfn;
-       ssize_t ret = 0;
-       u64 kflags, uflags;
-
-       pfn = src / KPMSIZE;
-       count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
-       if (src & KPMMASK || count & KPMMASK)
-               return -EINVAL;
-
-       while (count > 0) {
-               ppage = NULL;
-               if (pfn_valid(pfn))
-                       ppage = pfn_to_page(pfn);
-               pfn++;
-               if (!ppage)
-                       kflags = 0;
-               else
-                       kflags = ppage->flags;
-
-               uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
-                       kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
-                       kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
-                       kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |
-                       kpf_copy_bit(kflags, KPF_DIRTY, PG_dirty) |
-                       kpf_copy_bit(kflags, KPF_LRU, PG_lru) |
-                       kpf_copy_bit(kflags, KPF_ACTIVE, PG_active) |
-                       kpf_copy_bit(kflags, KPF_SLAB, PG_slab) |
-                       kpf_copy_bit(kflags, KPF_WRITEBACK, PG_writeback) |
-                       kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
-                       kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
-
-               if (put_user(uflags, out++)) {
-                       ret = -EFAULT;
-                       break;
-               }
-
-               count -= KPMSIZE;
-       }
-
-       *ppos += (char __user *)out - buf;
-       if (!ret)
-               ret = (char __user *)out - buf;
-       return ret;
-}
-
-static struct file_operations proc_kpageflags_operations = {
-       .llseek = mem_lseek,
-       .read = kpageflags_read,
-};
-#endif /* CONFIG_PROC_PAGE_MONITOR */
-
-struct proc_dir_entry *proc_root_kcore;
-
-void __init proc_misc_init(void)
-{
-       static struct {
-               char *name;
-               int (*read_proc)(char*,char**,off_t,int,int*,void*);
-       } *p, simple_ones[] = {
-               {"loadavg",     loadavg_read_proc},
-               {"uptime",      uptime_read_proc},
-               {"meminfo",     meminfo_read_proc},
-               {"version",     version_read_proc},
-#ifdef CONFIG_PROC_HARDWARE
-               {"hardware",    hardware_read_proc},
-#endif
-#ifdef CONFIG_STRAM_PROC
-               {"stram",       stram_read_proc},
-#endif
-               {"filesystems", filesystems_read_proc},
-               {"cmdline",     cmdline_read_proc},
-               {"execdomains", execdomains_read_proc},
-               {NULL,}
-       };
-       for (p = simple_ones; p->name; p++)
-               create_proc_read_entry(p->name, 0, NULL, p->read_proc, NULL);
-
-       proc_symlink("mounts", NULL, "self/mounts");
-
-       /* And now for trickier ones */
-#ifdef CONFIG_PRINTK
-       proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
-#endif
-#ifdef CONFIG_FILE_LOCKING
-       proc_create("locks", 0, NULL, &proc_locks_operations);
-#endif
-       proc_create("devices", 0, NULL, &proc_devinfo_operations);
-       proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
-#ifdef CONFIG_BLOCK
-       proc_create("partitions", 0, NULL, &proc_partitions_operations);
-#endif
-       proc_create("stat", 0, NULL, &proc_stat_operations);
-       proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
-#ifdef CONFIG_SLABINFO
-       proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
-#ifdef CONFIG_DEBUG_SLAB_LEAK
-       proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
-#endif
-#endif
-#ifdef CONFIG_MMU
-       proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
-#endif
-       proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
-       proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
-       proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
-       proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
-#ifdef CONFIG_BLOCK
-       proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
-#endif
-#ifdef CONFIG_MODULES
-       proc_create("modules", 0, NULL, &proc_modules_operations);
-#endif
-#ifdef CONFIG_SCHEDSTATS
-       proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
-#endif
-#ifdef CONFIG_PROC_KCORE
-       proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
-       if (proc_root_kcore)
-               proc_root_kcore->size =
-                               (size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
-#endif
-#ifdef CONFIG_PROC_PAGE_MONITOR
-       proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
-       proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
-#endif
-#ifdef CONFIG_PROC_VMCORE
-       proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
-#endif
-}
index 7b997754a25e705ddb41009b0741ddad3c3799a2..94fcfff6863a5976965b8d4253ff3ad1ac45386b 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * /proc/sys support
  */
-
+#include <linux/init.h>
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
 #include <linux/security.h>
@@ -402,7 +402,7 @@ static struct dentry_operations proc_sys_dentry_operations = {
        .d_compare      = proc_sys_compare,
 };
 
-int proc_sys_init(void)
+int __init proc_sys_init(void)
 {
        struct proc_dir_entry *proc_sys_root;
 
index 95117538a4f6fd3b4fdc90558127caa282d7e800..7761602af9de4f7290f33c50a8d97e2f1f31c2ec 100644 (file)
@@ -104,9 +104,9 @@ static struct file_system_type proc_fs_type = {
 
 void __init proc_root_init(void)
 {
-       int err = proc_init_inodecache();
-       if (err)
-               return;
+       int err;
+
+       proc_init_inodecache();
        err = register_filesystem(&proc_fs_type);
        if (err)
                return;
@@ -117,7 +117,7 @@ void __init proc_root_init(void)
                return;
        }
 
-       proc_misc_init();
+       proc_symlink("mounts", NULL, "self/mounts");
 
        proc_net_init();
 
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
new file mode 100644 (file)
index 0000000..81904f0
--- /dev/null
@@ -0,0 +1,153 @@
+#include <linux/cpumask.h>
+#include <linux/fs.h>
+#include <linux/gfp.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <asm/cputime.h>
+
+#ifndef arch_irq_stat_cpu
+#define arch_irq_stat_cpu(cpu) 0
+#endif
+#ifndef arch_irq_stat
+#define arch_irq_stat() 0
+#endif
+
+static int show_stat(struct seq_file *p, void *v)
+{
+       int i, j;
+       unsigned long jif;
+       cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
+       cputime64_t guest;
+       u64 sum = 0;
+       struct timespec boottime;
+       unsigned int per_irq_sum;
+
+       user = nice = system = idle = iowait =
+               irq = softirq = steal = cputime64_zero;
+       guest = cputime64_zero;
+       getboottime(&boottime);
+       jif = boottime.tv_sec;
+
+       for_each_possible_cpu(i) {
+               user = cputime64_add(user, kstat_cpu(i).cpustat.user);
+               nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
+               system = cputime64_add(system, kstat_cpu(i).cpustat.system);
+               idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
+               iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
+               irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
+               softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
+               steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
+               guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
+
+               for_each_irq_nr(j)
+                       sum += kstat_irqs_cpu(j, i);
+
+               sum += arch_irq_stat_cpu(i);
+       }
+       sum += arch_irq_stat();
+
+       seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+               (unsigned long long)cputime64_to_clock_t(user),
+               (unsigned long long)cputime64_to_clock_t(nice),
+               (unsigned long long)cputime64_to_clock_t(system),
+               (unsigned long long)cputime64_to_clock_t(idle),
+               (unsigned long long)cputime64_to_clock_t(iowait),
+               (unsigned long long)cputime64_to_clock_t(irq),
+               (unsigned long long)cputime64_to_clock_t(softirq),
+               (unsigned long long)cputime64_to_clock_t(steal),
+               (unsigned long long)cputime64_to_clock_t(guest));
+       for_each_online_cpu(i) {
+
+               /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
+               user = kstat_cpu(i).cpustat.user;
+               nice = kstat_cpu(i).cpustat.nice;
+               system = kstat_cpu(i).cpustat.system;
+               idle = kstat_cpu(i).cpustat.idle;
+               iowait = kstat_cpu(i).cpustat.iowait;
+               irq = kstat_cpu(i).cpustat.irq;
+               softirq = kstat_cpu(i).cpustat.softirq;
+               steal = kstat_cpu(i).cpustat.steal;
+               guest = kstat_cpu(i).cpustat.guest;
+               seq_printf(p,
+                       "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+                       i,
+                       (unsigned long long)cputime64_to_clock_t(user),
+                       (unsigned long long)cputime64_to_clock_t(nice),
+                       (unsigned long long)cputime64_to_clock_t(system),
+                       (unsigned long long)cputime64_to_clock_t(idle),
+                       (unsigned long long)cputime64_to_clock_t(iowait),
+                       (unsigned long long)cputime64_to_clock_t(irq),
+                       (unsigned long long)cputime64_to_clock_t(softirq),
+                       (unsigned long long)cputime64_to_clock_t(steal),
+                       (unsigned long long)cputime64_to_clock_t(guest));
+       }
+       seq_printf(p, "intr %llu", (unsigned long long)sum);
+
+       /* sum again ? it could be updated? */
+       for_each_irq_nr(j) {
+               per_irq_sum = 0;
+
+               for_each_possible_cpu(i)
+                       per_irq_sum += kstat_irqs_cpu(j, i);
+
+               seq_printf(p, " %u", per_irq_sum);
+       }
+
+       seq_printf(p,
+               "\nctxt %llu\n"
+               "btime %lu\n"
+               "processes %lu\n"
+               "procs_running %lu\n"
+               "procs_blocked %lu\n",
+               nr_context_switches(),
+               (unsigned long)jif,
+               total_forks,
+               nr_running(),
+               nr_iowait());
+
+       return 0;
+}
+
+static int stat_open(struct inode *inode, struct file *file)
+{
+       unsigned size = 4096 * (1 + num_possible_cpus() / 32);
+       char *buf;
+       struct seq_file *m;
+       int res;
+
+       /* don't ask for more than the kmalloc() max size, currently 128 KB */
+       if (size > 128 * 1024)
+               size = 128 * 1024;
+       buf = kmalloc(size, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
+
+       res = single_open(file, show_stat, NULL);
+       if (!res) {
+               m = file->private_data;
+               m->buf = buf;
+               m->size = size;
+       } else
+               kfree(buf);
+       return res;
+}
+
+static const struct file_operations proc_stat_operations = {
+       .open           = stat_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_stat_init(void)
+{
+       proc_create("stat", 0, NULL, &proc_stat_operations);
+       return 0;
+}
+module_init(proc_stat_init);
index 4806830ea2a1b0515c2faf00f52a6134f0f418c1..b770c095e45c62f86e78da2f9d1524085f9d45fd 100644 (file)
@@ -198,11 +198,8 @@ static int do_maps_open(struct inode *inode, struct file *file,
        return ret;
 }
 
-static int show_map(struct seq_file *m, void *v)
+static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
 {
-       struct proc_maps_private *priv = m->private;
-       struct task_struct *task = priv->task;
-       struct vm_area_struct *vma = v;
        struct mm_struct *mm = vma->vm_mm;
        struct file *file = vma->vm_file;
        int flags = vma->vm_flags;
@@ -254,6 +251,15 @@ static int show_map(struct seq_file *m, void *v)
                }
        }
        seq_putc(m, '\n');
+}
+
+static int show_map(struct seq_file *m, void *v)
+{
+       struct vm_area_struct *vma = v;
+       struct proc_maps_private *priv = m->private;
+       struct task_struct *task = priv->task;
+
+       show_map_vma(m, vma);
 
        if (m->count < m->size)  /* vma is copied successfully */
                m->version = (vma != get_gate_vma(task))? vma->vm_start: 0;
@@ -364,9 +370,10 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 
 static int show_smap(struct seq_file *m, void *v)
 {
+       struct proc_maps_private *priv = m->private;
+       struct task_struct *task = priv->task;
        struct vm_area_struct *vma = v;
        struct mem_size_stats mss;
-       int ret;
        struct mm_walk smaps_walk = {
                .pmd_entry = smaps_pte_range,
                .mm = vma->vm_mm,
@@ -378,9 +385,7 @@ static int show_smap(struct seq_file *m, void *v)
        if (vma->vm_mm && !is_vm_hugetlb_page(vma))
                walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
 
-       ret = show_map(m, v);
-       if (ret)
-               return ret;
+       show_map_vma(m, vma);
 
        seq_printf(m,
                   "Size:           %8lu kB\n"
@@ -402,7 +407,9 @@ static int show_smap(struct seq_file *m, void *v)
                   mss.referenced >> 10,
                   mss.swap >> 10);
 
-       return ret;
+       if (m->count < m->size)  /* vma is copied successfully */
+               m->version = (vma != get_gate_vma(task)) ? vma->vm_start : 0;
+       return 0;
 }
 
 static const struct seq_operations proc_pid_smaps_op = {
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c
new file mode 100644 (file)
index 0000000..0c10a0b
--- /dev/null
@@ -0,0 +1,43 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/time.h>
+#include <asm/cputime.h>
+
+static int uptime_proc_show(struct seq_file *m, void *v)
+{
+       struct timespec uptime;
+       struct timespec idle;
+       cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
+
+       do_posix_clock_monotonic_gettime(&uptime);
+       monotonic_to_bootbased(&uptime);
+       cputime_to_timespec(idletime, &idle);
+       seq_printf(m, "%lu.%02lu %lu.%02lu\n",
+                       (unsigned long) uptime.tv_sec,
+                       (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
+                       (unsigned long) idle.tv_sec,
+                       (idle.tv_nsec / (NSEC_PER_SEC / 100)));
+       return 0;
+}
+
+static int uptime_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, uptime_proc_show, NULL);
+}
+
+static const struct file_operations uptime_proc_fops = {
+       .open           = uptime_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_uptime_init(void)
+{
+       proc_create("uptime", 0, NULL, &uptime_proc_fops);
+       return 0;
+}
+module_init(proc_uptime_init);
diff --git a/fs/proc/version.c b/fs/proc/version.c
new file mode 100644 (file)
index 0000000..76817a6
--- /dev/null
@@ -0,0 +1,34 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/utsname.h>
+
+static int version_proc_show(struct seq_file *m, void *v)
+{
+       seq_printf(m, linux_proc_banner,
+               utsname()->sysname,
+               utsname()->release,
+               utsname()->version);
+       return 0;
+}
+
+static int version_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, version_proc_show, NULL);
+}
+
+static const struct file_operations version_proc_fops = {
+       .open           = version_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_version_init(void)
+{
+       proc_create("version", 0, NULL, &version_proc_fops);
+       return 0;
+}
+module_init(proc_version_init);
index cd9ca67f841bd38d6256f14eccfd3fd6d8174522..03ec595049065f41b2513d9b94e76058a02ebfec 100644 (file)
@@ -32,7 +32,7 @@ static size_t elfcorebuf_sz;
 /* Total size of vmcore file. */
 static u64 vmcore_size;
 
-struct proc_dir_entry *proc_vmcore = NULL;
+static struct proc_dir_entry *proc_vmcore = NULL;
 
 /* Reads a page from the oldmem device from given offset. */
 static ssize_t read_from_oldmem(char *buf, size_t count,
@@ -162,7 +162,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
        return acc;
 }
 
-const struct file_operations proc_vmcore_operations = {
+static const struct file_operations proc_vmcore_operations = {
        .read           = read_vmcore,
 };
 
@@ -652,7 +652,7 @@ static int __init vmcore_init(void)
                return rc;
        }
 
-       /* Initialize /proc/vmcore size if proc is already up. */
+       proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
        if (proc_vmcore)
                proc_vmcore->size = vmcore_size;
        return 0;
index 26d2b91209c5e9f701341865300b0a9cccf2a952..5637dcef314ec2c85ba65f98d8013d117486ed1b 100644 (file)
@@ -14,7 +14,7 @@ extern void (*mach_sched_init) (irq_handler_t handler);
 /* machine dependent irq functions */
 extern void (*mach_init_IRQ) (void);
 extern void (*mach_get_model) (char *model);
-extern int (*mach_get_hardware_list) (char *buffer);
+extern void (*mach_get_hardware_list) (struct seq_file *m);
 /* machine dependent timer functions */
 extern unsigned long (*mach_gettimeoffset)(void);
 extern int (*mach_hwclk)(int, struct rtc_time*);
index 0acf3b737e2ea179c30d9c9fa69076fbdf488a1c..2dac064d8359046c178f0d98bd9ea915ca369eaa 100644 (file)
@@ -14,8 +14,6 @@ extern unsigned long long elfcorehdr_addr;
 
 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
                                                unsigned long, int);
-extern const struct file_operations proc_vmcore_operations;
-extern struct proc_dir_entry *proc_vmcore;
 
 /* Architecture code defines this if there are other possible ELF
  * machine types, e.g. on bi-arch capable hardware. */
index 43659ae52e4d22dec1d90e8db1f61a920414d5f6..5b248d61430c92de2db9df74b6825fefa30fb710 100644 (file)
@@ -1042,7 +1042,6 @@ extern int vfs_setlease(struct file *, long, struct file_lock **);
 extern int lease_modify(struct file_lock **, int);
 extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
 extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
-extern struct seq_operations locks_seq_operations;
 #else /* !CONFIG_FILE_LOCKING */
 #define fcntl_getlk(a, b) ({ -EINVAL; })
 #define fcntl_setlk(a, b, c, d) ({ -EACCES; })
index 206cdf96c3a751fb926750fcd29c5cf828464392..e439e6aed832f3fc98b3a7944521f108e5740fbb 100644 (file)
@@ -25,9 +25,6 @@ extern struct device_type part_type;
 extern struct kobject *block_depr;
 extern struct class block_class;
 
-extern const struct seq_operations partitions_op;
-extern const struct seq_operations diskstats_op;
-
 enum {
 /* These three have identical behaviour; use the second one if DOS FDISK gets
    confused about extended/logical partitions starting past cylinder 1023. */
index 32e0ef0f6e1fcdd7f67d83ffe985e6cbe8eb9a08..e1c8afc002c0c6957f4e752f09b35dd72b67aea0 100644 (file)
@@ -27,7 +27,7 @@ void unmap_hugepage_range(struct vm_area_struct *,
 void __unmap_hugepage_range(struct vm_area_struct *,
                        unsigned long, unsigned long, struct page *);
 int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
-int hugetlb_report_meminfo(char *);
+void hugetlb_report_meminfo(struct seq_file *);
 int hugetlb_report_node_meminfo(int, char *);
 unsigned long hugetlb_total_pages(void);
 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
@@ -79,7 +79,9 @@ static inline unsigned long hugetlb_total_pages(void)
 #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; })
 #define hugetlb_prefault(mapping, vma)         ({ BUG(); 0; })
 #define unmap_hugepage_range(vma, start, end, page)    BUG()
-#define hugetlb_report_meminfo(buf)            0
+static inline void hugetlb_report_meminfo(struct seq_file *m)
+{
+}
 #define hugetlb_report_node_meminfo(n, buf)    0
 #define follow_huge_pmd(mm, addr, pmd, write)  NULL
 #define follow_huge_pud(mm, addr, pud, write)  NULL
index 27d534f4470d2350cc7cd563e813e5b88ba25c37..b8bdb96eff78b8112ddf4717b651c4ef1126ead7 100644 (file)
@@ -97,12 +97,9 @@ struct vmcore {
 
 #ifdef CONFIG_PROC_FS
 
-extern struct proc_dir_entry *proc_root_kcore;
-
 extern spinlock_t proc_subdir_lock;
 
 extern void proc_root_init(void);
-extern void proc_misc_init(void);
 
 void proc_flush_task(struct task_struct *task);
 struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *);
@@ -138,8 +135,6 @@ extern struct inode *proc_get_inode(struct super_block *, unsigned int, struct p
 extern int proc_readdir(struct file *, void *, filldir_t);
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
 
-extern const struct file_operations proc_kcore_operations;
-
 extern int pid_ns_prepare_proc(struct pid_namespace *ns);
 extern void pid_ns_release_proc(struct pid_namespace *ns);
 
index 5ca620573d47c35c707b115cdb44ca2fb243d519..8478f334d73293473199f6d97a6cc8aabb2d7521 100644 (file)
@@ -680,10 +680,6 @@ struct sched_info {
 };
 #endif /* defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) */
 
-#ifdef CONFIG_SCHEDSTATS
-extern const struct file_operations proc_schedstat_operations;
-#endif /* CONFIG_SCHEDSTATS */
-
 #ifdef CONFIG_TASK_DELAY_ACCT
 struct task_delay_info {
        spinlock_t      lock;
index 5ff9676c1e2ca83e93511891230189772fafe2a0..ba965c84ae0695b175da712a0951b6c3e0530b5c 100644 (file)
@@ -288,9 +288,4 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node)
        return kmalloc_node(size, flags | __GFP_ZERO, node);
 }
 
-#ifdef CONFIG_SLABINFO
-extern const struct seq_operations slabinfo_op;
-ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
-#endif
-
 #endif /* _LINUX_SLAB_H */
index 4c28c4d564e2da1e5e6112e0e5081d4f08ebd942..307b88577eaa475274598fd9f2c07cc86ad22cb7 100644 (file)
@@ -103,6 +103,4 @@ extern void free_vm_area(struct vm_struct *area);
 extern rwlock_t vmlist_lock;
 extern struct vm_struct *vmlist;
 
-extern const struct seq_operations vmalloc_op;
-
 #endif /* _LINUX_VMALLOC_H */
index 9cd3ab0f554d301224f518391b47fdd1752fc33d..524cd1b28ecb0ff62a9d3620f9d21d48f8c1e32e 100644 (file)
@@ -54,10 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                NR_VM_EVENT_ITEMS
 };
 
-extern const struct seq_operations fragmentation_op;
-extern const struct seq_operations pagetypeinfo_op;
-extern const struct seq_operations zoneinfo_op;
-extern const struct seq_operations vmstat_op;
 extern int sysctl_stat_interval;
 
 #ifdef CONFIG_VM_EVENT_COUNTERS
index 0d407e886735d0b35c36a836f3bc97afa15ad9c6..0511716e94247a86873bb095e1136d45aa362c2c 100644 (file)
@@ -12,7 +12,9 @@
 #include <linux/kmod.h>
 #include <linux/module.h>
 #include <linux/personality.h>
+#include <linux/proc_fs.h>
 #include <linux/sched.h>
+#include <linux/seq_file.h>
 #include <linux/syscalls.h>
 #include <linux/sysctl.h>
 #include <linux/types.h>
@@ -173,20 +175,39 @@ __set_personality(u_long personality)
        return 0;
 }
 
-int
-get_exec_domain_list(char *page)
+#ifdef CONFIG_PROC_FS
+static int execdomains_proc_show(struct seq_file *m, void *v)
 {
        struct exec_domain      *ep;
-       int                     len = 0;
 
        read_lock(&exec_domains_lock);
-       for (ep = exec_domains; ep && len < PAGE_SIZE - 80; ep = ep->next)
-               len += sprintf(page + len, "%d-%d\t%-16s\t[%s]\n",
+       for (ep = exec_domains; ep; ep = ep->next)
+               seq_printf(m, "%d-%d\t%-16s\t[%s]\n",
                               ep->pers_low, ep->pers_high, ep->name,
                               module_name(ep->module));
        read_unlock(&exec_domains_lock);
-       return (len);
+       return 0;
+}
+
+static int execdomains_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, execdomains_proc_show, NULL);
+}
+
+static const struct file_operations execdomains_proc_fops = {
+       .open           = execdomains_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+
+static int __init proc_execdomains_init(void)
+{
+       proc_create("execdomains", 0, NULL, &execdomains_proc_fops);
+       return 0;
 }
+module_init(proc_execdomains_init);
+#endif
 
 asmlinkage long
 sys_personality(u_long personality)
index c0f1826e2d9e1cc3094060411f44b4178d9f38b5..1f4cc00e0c200b7c69272694d121558fd6a10d06 100644 (file)
 #include <linux/moduleloader.h>
 #include <linux/init.h>
 #include <linux/kallsyms.h>
+#include <linux/fs.h>
 #include <linux/sysfs.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/elf.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/syscalls.h>
 #include <linux/fcntl.h>
@@ -2556,23 +2558,6 @@ unsigned long module_kallsyms_lookup_name(const char *name)
 }
 #endif /* CONFIG_KALLSYMS */
 
-/* Called by the /proc file system to return a list of modules. */
-static void *m_start(struct seq_file *m, loff_t *pos)
-{
-       mutex_lock(&module_mutex);
-       return seq_list_start(&modules, *pos);
-}
-
-static void *m_next(struct seq_file *m, void *p, loff_t *pos)
-{
-       return seq_list_next(p, &modules, pos);
-}
-
-static void m_stop(struct seq_file *m, void *p)
-{
-       mutex_unlock(&module_mutex);
-}
-
 static char *module_flags(struct module *mod, char *buf)
 {
        int bx = 0;
@@ -2606,6 +2591,24 @@ static char *module_flags(struct module *mod, char *buf)
        return buf;
 }
 
+#ifdef CONFIG_PROC_FS
+/* Called by the /proc file system to return a list of modules. */
+static void *m_start(struct seq_file *m, loff_t *pos)
+{
+       mutex_lock(&module_mutex);
+       return seq_list_start(&modules, *pos);
+}
+
+static void *m_next(struct seq_file *m, void *p, loff_t *pos)
+{
+       return seq_list_next(p, &modules, pos);
+}
+
+static void m_stop(struct seq_file *m, void *p)
+{
+       mutex_unlock(&module_mutex);
+}
+
 static int m_show(struct seq_file *m, void *p)
 {
        struct module *mod = list_entry(p, struct module, list);
@@ -2636,13 +2639,33 @@ static int m_show(struct seq_file *m, void *p)
    Where refcount is a number or -, and deps is a comma-separated list
    of depends or -.
 */
-const struct seq_operations modules_op = {
+static const struct seq_operations modules_op = {
        .start  = m_start,
        .next   = m_next,
        .stop   = m_stop,
        .show   = m_show
 };
 
+static int modules_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &modules_op);
+}
+
+static const struct file_operations proc_modules_operations = {
+       .open           = modules_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_modules_init(void)
+{
+       proc_create("modules", 0, NULL, &proc_modules_operations);
+       return 0;
+}
+module_init(proc_modules_init);
+#endif
+
 /* Given an address, look for it in the module exception tables. */
 const struct exception_table_entry *search_module_extables(unsigned long addr)
 {
index 1645c7211944b2c6fc23aeea9b890ddf85392289..6625c3c4b10d06c3f76c371becd615d174244902 100644 (file)
@@ -55,6 +55,7 @@
 #include <linux/cpuset.h>
 #include <linux/percpu.h>
 #include <linux/kthread.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/sysctl.h>
 #include <linux/syscalls.h>
index 2df9d297d292d23fa46db931cdbd0cf9a41af2c0..ee71bec1da66a9dcb64d93a0e9934c15a155905b 100644 (file)
@@ -90,13 +90,20 @@ static int schedstat_open(struct inode *inode, struct file *file)
        return res;
 }
 
-const struct file_operations proc_schedstat_operations = {
+static const struct file_operations proc_schedstat_operations = {
        .open    = schedstat_open,
        .read    = seq_read,
        .llseek  = seq_lseek,
        .release = single_release,
 };
 
+static int __init proc_schedstat_init(void)
+{
+       proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
+       return 0;
+}
+module_init(proc_schedstat_init);
+
 /*
  * Expects runqueue lock to be held for atomicity of update
  */
index ce8cbb29860bd1b867454014195fe497332e2f61..421aee99b84a4da8120de8eaf1d9518fa57199c9 100644 (file)
@@ -7,6 +7,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/sysctl.h>
 #include <linux/highmem.h>
 #include <linux/mmu_notifier.h>
@@ -1455,10 +1456,10 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write,
 
 #endif /* CONFIG_SYSCTL */
 
-int hugetlb_report_meminfo(char *buf)
+void hugetlb_report_meminfo(struct seq_file *m)
 {
        struct hstate *h = &default_hstate;
-       return sprintf(buf,
+       seq_printf(m,
                        "HugePages_Total:   %5lu\n"
                        "HugePages_Free:    %5lu\n"
                        "HugePages_Rsvd:    %5lu\n"
index e76eee46688619bd65c110f934cab134dd698e27..09187517f9dc64804cc80453db0be0a72bcbf922 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -95,6 +95,7 @@
 #include       <linux/init.h>
 #include       <linux/compiler.h>
 #include       <linux/cpuset.h>
+#include       <linux/proc_fs.h>
 #include       <linux/seq_file.h>
 #include       <linux/notifier.h>
 #include       <linux/kallsyms.h>
@@ -4258,7 +4259,7 @@ static int s_show(struct seq_file *m, void *p)
  * + further values on SMP and with statistics enabled
  */
 
-const struct seq_operations slabinfo_op = {
+static const struct seq_operations slabinfo_op = {
        .start = s_start,
        .next = s_next,
        .stop = s_stop,
@@ -4315,6 +4316,19 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
        return res;
 }
 
+static int slabinfo_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &slabinfo_op);
+}
+
+static const struct file_operations proc_slabinfo_operations = {
+       .open           = slabinfo_open,
+       .read           = seq_read,
+       .write          = slabinfo_write,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
 #ifdef CONFIG_DEBUG_SLAB_LEAK
 
 static void *leaks_start(struct seq_file *m, loff_t *pos)
@@ -4443,13 +4457,47 @@ static int leaks_show(struct seq_file *m, void *p)
        return 0;
 }
 
-const struct seq_operations slabstats_op = {
+static const struct seq_operations slabstats_op = {
        .start = leaks_start,
        .next = s_next,
        .stop = s_stop,
        .show = leaks_show,
 };
+
+static int slabstats_open(struct inode *inode, struct file *file)
+{
+       unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL);
+       int ret = -ENOMEM;
+       if (n) {
+               ret = seq_open(file, &slabstats_op);
+               if (!ret) {
+                       struct seq_file *m = file->private_data;
+                       *n = PAGE_SIZE / (2 * sizeof(unsigned long));
+                       m->private = n;
+                       n = NULL;
+               }
+               kfree(n);
+       }
+       return ret;
+}
+
+static const struct file_operations proc_slabstats_operations = {
+       .open           = slabstats_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release_private,
+};
+#endif
+
+static int __init slab_proc_init(void)
+{
+       proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
+#ifdef CONFIG_DEBUG_SLAB_LEAK
+       proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
 #endif
+       return 0;
+}
+module_init(slab_proc_init);
 #endif
 
 /**
index 0c83e6afe7b223757f1608268436c59648c3633d..7ad489af95614602a2f5fec8756460108a1f6be1 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -14,6 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/bitops.h>
 #include <linux/slab.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/cpu.h>
 #include <linux/cpuset.h>
@@ -4417,14 +4418,6 @@ __initcall(slab_sysfs_init);
  * The /proc/slabinfo ABI
  */
 #ifdef CONFIG_SLABINFO
-
-ssize_t slabinfo_write(struct file *file, const char __user *buffer,
-                      size_t count, loff_t *ppos)
-{
-       return -EINVAL;
-}
-
-
 static void print_slabinfo_header(struct seq_file *m)
 {
        seq_puts(m, "slabinfo - version: 2.1\n");
@@ -4492,11 +4485,29 @@ static int s_show(struct seq_file *m, void *p)
        return 0;
 }
 
-const struct seq_operations slabinfo_op = {
+static const struct seq_operations slabinfo_op = {
        .start = s_start,
        .next = s_next,
        .stop = s_stop,
        .show = s_show,
 };
 
+static int slabinfo_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &slabinfo_op);
+}
+
+static const struct file_operations proc_slabinfo_operations = {
+       .open           = slabinfo_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init slab_proc_init(void)
+{
+       proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
+       return 0;
+}
+module_init(slab_proc_init);
 #endif /* CONFIG_SLABINFO */
index 65ae576030da559356c30199cecb2fb6fbe19b0e..036536945dd9e06f53adf21c165f087a4700c3cc 100644 (file)
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/debugobjects.h>
 #include <linux/kallsyms.h>
@@ -1718,11 +1719,41 @@ static int s_show(struct seq_file *m, void *p)
        return 0;
 }
 
-const struct seq_operations vmalloc_op = {
+static const struct seq_operations vmalloc_op = {
        .start = s_start,
        .next = s_next,
        .stop = s_stop,
        .show = s_show,
 };
+
+static int vmalloc_open(struct inode *inode, struct file *file)
+{
+       unsigned int *ptr = NULL;
+       int ret;
+
+       if (NUMA_BUILD)
+               ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
+       ret = seq_open(file, &vmalloc_op);
+       if (!ret) {
+               struct seq_file *m = file->private_data;
+               m->private = ptr;
+       } else
+               kfree(ptr);
+       return ret;
+}
+
+static const struct file_operations proc_vmalloc_operations = {
+       .open           = vmalloc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release_private,
+};
+
+static int __init proc_vmalloc_init(void)
+{
+       proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
+       return 0;
+}
+module_init(proc_vmalloc_init);
 #endif
 
index 9343227c5c60b6dc3a1b7e09c64143a53a407003..c3ccfda23adc56abafb58abbcc31b33c5588ce4d 100644 (file)
@@ -8,7 +8,7 @@
  *  Copyright (C) 2006 Silicon Graphics, Inc.,
  *             Christoph Lameter <christoph@lameter.com>
  */
-
+#include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/err.h>
 #include <linux/module.h>
@@ -384,7 +384,7 @@ void zone_statistics(struct zone *preferred_zone, struct zone *z)
 #endif
 
 #ifdef CONFIG_PROC_FS
-
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 static char * const migratetype_names[MIGRATE_TYPES] = {
@@ -581,20 +581,44 @@ static int pagetypeinfo_show(struct seq_file *m, void *arg)
        return 0;
 }
 
-const struct seq_operations fragmentation_op = {
+static const struct seq_operations fragmentation_op = {
        .start  = frag_start,
        .next   = frag_next,
        .stop   = frag_stop,
        .show   = frag_show,
 };
 
-const struct seq_operations pagetypeinfo_op = {
+static int fragmentation_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &fragmentation_op);
+}
+
+static const struct file_operations fragmentation_file_operations = {
+       .open           = fragmentation_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static const struct seq_operations pagetypeinfo_op = {
        .start  = frag_start,
        .next   = frag_next,
        .stop   = frag_stop,
        .show   = pagetypeinfo_show,
 };
 
+static int pagetypeinfo_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &pagetypeinfo_op);
+}
+
+static const struct file_operations pagetypeinfo_file_ops = {
+       .open           = pagetypeinfo_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
 #ifdef CONFIG_ZONE_DMA
 #define TEXT_FOR_DMA(xx) xx "_dma",
 #else
@@ -771,7 +795,7 @@ static int zoneinfo_show(struct seq_file *m, void *arg)
        return 0;
 }
 
-const struct seq_operations zoneinfo_op = {
+static const struct seq_operations zoneinfo_op = {
        .start  = frag_start, /* iterate over all zones. The same as in
                               * fragmentation. */
        .next   = frag_next,
@@ -779,6 +803,18 @@ const struct seq_operations zoneinfo_op = {
        .show   = zoneinfo_show,
 };
 
+static int zoneinfo_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &zoneinfo_op);
+}
+
+static const struct file_operations proc_zoneinfo_file_operations = {
+       .open           = zoneinfo_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
 static void *vmstat_start(struct seq_file *m, loff_t *pos)
 {
        unsigned long *v;
@@ -834,13 +870,24 @@ static void vmstat_stop(struct seq_file *m, void *arg)
        m->private = NULL;
 }
 
-const struct seq_operations vmstat_op = {
+static const struct seq_operations vmstat_op = {
        .start  = vmstat_start,
        .next   = vmstat_next,
        .stop   = vmstat_stop,
        .show   = vmstat_show,
 };
 
+static int vmstat_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &vmstat_op);
+}
+
+static const struct file_operations proc_vmstat_file_operations = {
+       .open           = vmstat_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
 #endif /* CONFIG_PROC_FS */
 
 #ifdef CONFIG_SMP
@@ -898,9 +945,11 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
 
 static struct notifier_block __cpuinitdata vmstat_notifier =
        { &vmstat_cpuup_callback, NULL, 0 };
+#endif
 
 static int __init setup_vmstat(void)
 {
+#ifdef CONFIG_SMP
        int cpu;
 
        refresh_zone_stat_thresholds();
@@ -908,7 +957,13 @@ static int __init setup_vmstat(void)
 
        for_each_online_cpu(cpu)
                start_cpu_timer(cpu);
+#endif
+#ifdef CONFIG_PROC_FS
+       proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
+       proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
+       proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
+       proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
+#endif
        return 0;
 }
 module_init(setup_vmstat)
-#endif