]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - kernel/sysctl.c
h63xx: tsc2101 alsa sound support
[linux-2.6-omap-h63xx.git] / kernel / sysctl.c
index 8dcf6fd5b0f9fad9c717756f2f93ad858372a3e6..32b48e8ee36e8aaa6334a3979317eaf2b8848725 100644 (file)
@@ -25,6 +25,7 @@
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
+#include <linux/capability.h>
 #include <linux/ctype.h>
 #include <linux/utsname.h>
 #include <linux/capability.h>
 #include <linux/limits.h>
 #include <linux/dcache.h>
 #include <linux/syscalls.h>
+#include <linux/nfs_fs.h>
+#include <linux/acpi.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
 
-#ifdef CONFIG_ROOT_NFS
-#include <linux/nfs_fs.h>
-#endif
+extern int proc_nr_files(ctl_table *table, int write, struct file *filp,
+                     void __user *buffer, size_t *lenp, loff_t *ppos);
 
 #if defined(CONFIG_SYSCTL)
 
@@ -69,6 +71,7 @@ extern int printk_ratelimit_jiffies;
 extern int printk_ratelimit_burst;
 extern int pid_max_min, pid_max_max;
 extern int sysctl_drop_caches;
+extern int percpu_pagelist_fraction;
 
 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)
 int unknown_nmi_panic;
@@ -79,6 +82,7 @@ extern int proc_unknown_nmi_panic(ctl_table *, int, struct file *,
 /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
 static int maxolduid = 65535;
 static int minolduid;
+static int min_percpu_pagelist_fract = 8;
 
 static int ngroups_max = NGROUPS_MAX;
 
@@ -123,7 +127,9 @@ extern int sysctl_hz_timer;
 extern int acct_parm[];
 #endif
 
-int randomize_va_space = 1;
+#ifdef CONFIG_IA64
+extern int no_unaligned_warning;
+#endif
 
 static int parse_table(int __user *, int, void __user *, size_t __user *, void __user *, size_t,
                       ctl_table *, void **);
@@ -637,6 +643,7 @@ static ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec,
        },
 #endif
+#if defined(CONFIG_MMU)
        {
                .ctl_name       = KERN_RANDOMIZE,
                .procname       = "randomize_va_space",
@@ -645,7 +652,8 @@ static ctl_table kern_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
-#if defined(CONFIG_S390)
+#endif
+#if defined(CONFIG_S390) && defined(CONFIG_SMP)
        {
                .ctl_name       = KERN_SPIN_RETRY,
                .procname       = "spin_retry",
@@ -654,6 +662,26 @@ static ctl_table kern_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
+#endif
+#ifdef CONFIG_ACPI_SLEEP
+       {
+               .ctl_name       = KERN_ACPI_VIDEO_FLAGS,
+               .procname       = "acpi_video_flags",
+               .data           = &acpi_video_flags,
+               .maxlen         = sizeof (unsigned long),
+               .mode           = 0644,
+               .proc_handler   = &proc_doulongvec_minmax,
+       },
+#endif
+#ifdef CONFIG_IA64
+       {
+               .ctl_name       = KERN_IA64_UNALIGNED,
+               .procname       = "ignore-unaligned-usertrap",
+               .data           = &no_unaligned_warning,
+               .maxlen         = sizeof (int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
 #endif
        { .ctl_name = 0 }
 };
@@ -794,6 +822,16 @@ static ctl_table vm_table[] = {
                .strategy       = &sysctl_intvec,
                .extra1         = &zero,
        },
+       {
+               .ctl_name       = VM_PERCPU_PAGELIST_FRACTION,
+               .procname       = "percpu_pagelist_fraction",
+               .data           = &percpu_pagelist_fraction,
+               .maxlen         = sizeof(percpu_pagelist_fraction),
+               .mode           = 0644,
+               .proc_handler   = &percpu_pagelist_fraction_sysctl_handler,
+               .strategy       = &sysctl_intvec,
+               .extra1         = &min_percpu_pagelist_fract,
+       },
 #ifdef CONFIG_MMU
        {
                .ctl_name       = VM_MAX_MAP_COUNT,
@@ -856,6 +894,27 @@ static ctl_table vm_table[] = {
                .proc_handler   = &proc_dointvec_jiffies,
                .strategy       = &sysctl_jiffies,
        },
+#endif
+#ifdef CONFIG_NUMA
+       {
+               .ctl_name       = VM_ZONE_RECLAIM_MODE,
+               .procname       = "zone_reclaim_mode",
+               .data           = &zone_reclaim_mode,
+               .maxlen         = sizeof(zone_reclaim_mode),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+               .strategy       = &sysctl_intvec,
+               .extra1         = &zero,
+       },
+       {
+               .ctl_name       = VM_ZONE_RECLAIM_INTERVAL,
+               .procname       = "zone_reclaim_interval",
+               .data           = &zone_reclaim_interval,
+               .maxlen         = sizeof(zone_reclaim_interval),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec_jiffies,
+               .strategy       = &sysctl_jiffies,
+       },
 #endif
        { .ctl_name = 0 }
 };
@@ -887,7 +946,7 @@ static ctl_table fs_table[] = {
                .data           = &files_stat,
                .maxlen         = 3*sizeof(int),
                .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
+               .proc_handler   = &proc_nr_files,
        },
        {
                .ctl_name       = FS_MAXFILE,