ISAPNP ISA PnP code is enabled.
ISDN Appropriate ISDN support is enabled.
JOY Appropriate joystick support is enabled.
+ KMEMTRACE kmemtrace is enabled.
LIBATA Libata driver is enabled
LP Printer support is enabled.
LOOP Loopback device support is enabled.
SPARC Sparc architecture is enabled.
SWSUSP Software suspend (hibernation) is enabled.
SUSPEND System suspend states are enabled.
+ FTRACE Function tracing enabled.
TS Appropriate touchscreen support is enabled.
USB USB support is enabled.
USBHID USB Human Interface Device support is enabled.
Bits in debug_level correspond to a level in
ACPI_DEBUG_PRINT statements, e.g.,
ACPI_DEBUG_PRINT((ACPI_DB_INFO, ...
- See Documentation/acpi/debug.txt for more information
- about debug layers and levels.
+ The debug_level mask defaults to "info". See
+ Documentation/acpi/debug.txt for more information about
+ debug layers and levels.
+ Enable processor driver info messages:
+ acpi.debug_layer=0x20000000
+ Enable PCI/PCI interrupt routing info messages:
+ acpi.debug_layer=0x400000
Enable AML "Debug" output, i.e., stores to the Debug
object while interpreting AML:
acpi.debug_layer=0xffffffff acpi.debug_level=0x2
- Enable PCI/PCI interrupt routing info messages:
- acpi.debug_layer=0x400000 acpi.debug_level=0x4
Enable all messages related to ACPI hardware:
acpi.debug_layer=0x2 acpi.debug_level=0xffffffff
parameter will force ia64_sal_cache_flush to call
ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
+ ftrace=[tracer]
+ [ftrace] will set and start the specified tracer
+ as early as possible in order to facilitate early
+ boot debugging.
+
+ ftrace_dump_on_oops
+ [ftrace] will dump the trace buffers on oops.
+
gamecon.map[2|3]=
[HW,JOY] Multisystem joystick and NES/SNES/PSX pad
support via parallel port (up to 5 devices per port)
hlt [BUGS=ARM,SH]
+ hvc_iucv= [S390] Number of z/VM IUCV Hypervisor console (HVC)
+ back-ends. Valid parameters: 0..8
+
i8042.debug [HW] Toggle i8042 debug mode
i8042.direct [HW] Put keyboard port into non-translated mode
i8042.dumbkbd [HW] Pretend that controller can only read data from
use the HighMem zone if it exists, and the Normal
zone if it does not.
+ kmemtrace.enable= [KNL,KMEMTRACE] Format: { yes | no }
+ Controls whether kmemtrace is enabled
+ at boot-time.
+
+ kmemtrace.subbufs=n [KNL,KMEMTRACE] Overrides the number of
+ subbufs kmemtrace's relay channel has. Set this
+ higher than default (KMEMTRACE_N_SUBBUFS in code) if
+ you experience buffer overruns.
+
movablecore=nn[KMG] [KNL,X86-32,IA-64,PPC,X86-64] This parameter
is similar to kernelcore except it specifies the
amount of memory used for migratable allocations.
when a NMI is triggered.
Format: [state][,regs][,debounce][,die]
- nmi_watchdog= [KNL,BUGS=X86-32] Debugging features for SMP kernels
+ nmi_watchdog= [KNL,BUGS=X86-32,X86-64] Debugging features for SMP kernels
+ Format: [panic,][num]
+ Valid num: 0,1,2
+ 0 - turn nmi_watchdog off
+ 1 - use the IO-APIC timer for the NMI watchdog
+ 2 - use the local APIC for the NMI watchdog using
+ a performance counter. Note: This will use one performance
+ counter and the local APIC's performance vector.
+ When panic is specified panic when an NMI watchdog timeout occurs.
+ This is useful when you use a panic=... timeout and need the box
+ quickly up again.
+ Instead of 1 and 2 it is possible to use the following
+ symbolic names: lapic and ioapic
+ Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic
no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
emulation library even if a 387 maths coprocessor
instruction doesn't work correctly and not to
use it.
+ no_file_caps Tells the kernel not to honor file capabilities. The
+ only way then for a file to be executed with privilege
+ is to be setuid root or executed by root.
+
nohalt [IA-64] Tells the kernel not to use the power saving
function PAL_HALT_LIGHT when idle. This increases
power-consumption. On the positive side, it reduces
nomsi [MSI] If the PCI_MSI kernel config parameter is
enabled, this kernel boot option can be used to
disable the use of MSI interrupts system-wide.
+ noioapicquirk [APIC] Disable all boot interrupt quirks.
+ Safety option to keep boot IRQs enabled. This
+ should never be necessary.
+ ioapicreroute [APIC] Enable rerouting of boot IRQs to the
+ primary IO-APIC for bridges that cannot disable
+ boot IRQs. This fixes a source of spurious IRQs
+ when the system masks IRQs.
+ noioapicreroute [APIC] Disable workaround that uses the
+ boot IRQ equivalent of an IRQ that connects to
+ a chipset where boot IRQs cannot be disabled.
+ The opposite of ioapicreroute.
biosirq [X86-32] Use PCI BIOS calls to get the interrupt
routing table. These calls are known to be buggy
on several machines and they hang the machine
st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
See Documentation/scsi/st.txt.
+ stacktrace [FTRACE]
+ Enabled the stack tracer on boot up.
+
sti= [PARISC,HW]
Format: <num>
Set the STI (builtin display/keyboard on the HP-PARISC
See comment before function dc390_setup() in
drivers/scsi/tmscsim.c.
+ topology= [S390]
+ Format: {off | on}
+ Specify if the kernel should make use of the cpu
+ topology informations if the hardware supports these.
+ The scheduler will make use of these informations and
+ e.g. base its process migration decisions on it.
+ Default is off.
+
tp720= [HW,PS2]
trix= [HW,OSS] MediaTrix AudioTrix Pro
Format:
<io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
+ tsc= Disable clocksource-must-verify flag for TSC.
+ Format: <string>
+ [x86] reliable: mark tsc clocksource as reliable, this
+ disables clocksource verification at runtime.
+ Used to enable high-resolution timer mode on older
+ hardware, and in virtualized environment.
+
turbografx.map[2|3]= [HW,JOY]
TurboGraFX parallel port interface
Format:
P: Nick Kossifidis
M: mickflemm@gmail.com
P: Luis R. Rodriguez
-M: mcgrof@gmail.com
+M: lrodriguez@atheros.com
P: Bob Copeland
M: me@bobcopeland.com
L: linux-wireless@vger.kernel.org
P: Chas Williams
M: chas@cmf.nrl.navy.mil
L: linux-atm-general@lists.sourceforge.net (subscribers-only)
+L: netdev@vger.kernel.org
W: http://linux-atm.sourceforge.net
S: Maintained
S: Maintained
ECRYPT FILE SYSTEM
-P: Mike Halcrow, Phillip Hellewell
-M: mhalcrow@us.ibm.com, phillip@hellewell.homeip.net
-L: ecryptfs-devel@lists.sourceforge.net
-W: http://ecryptfs.sourceforge.net/
+P: Tyler Hicks, Dustin Kirkland
+M: tyhicks@linux.vnet.ibm.com, kirkland@canonical.com
+L: ecryptfs-devel@lists.launchpad.net
+W: https://launchpad.net/ecryptfs
S: Supported
EDAC-CORE
W: http://sourceforge.net/projects/acpi4asus
S: Maintained
-EEPRO100 NETWORK DRIVER
-P: Andrey V. Savochkin
-M: saw@saw.sw.com.sg
-S: Maintained
-
EFS FILESYSTEM
W: http://aeschi.ch.eu.org/efs/
S: Orphan
M: hskinnemoen@atmel.com
S: Supported
-GENERIC HDLC DRIVER, N2, C101, PCI200SYN and WANXL DRIVERS
+GENERIC HDLC (WAN) DRIVERS
P: Krzysztof Halasa
M: khc@pm.waw.pl
W: http://www.kernel.org/pub/linux/utils/net/hdlc/
INOTIFY
P: John McCutchan
-M: ttb@tentacle.dhs.org
+M: john@johnmccutchan.com
P: Robert Love
-M: rml@novell.com
+M: rlove@rlove.org
L: linux-kernel@vger.kernel.org
S: Maintained
L: linux-kernel@vger.kernel.org
S: Supported
+INTEL IXP4XX QMGR, NPE, ETHERNET and HSS SUPPORT
+P: Krzysztof Halasa
+M: khc@pm.waw.pl
+S: Maintained
+
INTEL IXP4XX RANDOM NUMBER GENERATOR SUPPORT
P: Deepak Saxena
M: dsaxena@plexity.net
L: kgdb-bugreport@lists.sourceforge.net
S: Maintained
+ KMEMTRACE
+ P: Eduard - Gabriel Munteanu
+ M: eduard.munteanu@linux360.ro
+ L: linux-kernel@vger.kernel.org
+ S: Maintained
+
KPROBES
P: Ananth N Mavinakayanahalli
M: ananth@in.ibm.com
W: http://www.linux-ax25.org/
S: Maintained
-RTL818X WIRELESS DRIVER
-P: Michael Wu
-M: flamingice@sourmilk.net
-P: Andrea Merello
-M: andreamrl@tiscali.it
+RTL8180 WIRELESS DRIVER
+P: John W. Linville
+M: linville@tuxdriver.com
L: linux-wireless@vger.kernel.org
W: http://linuxwireless.org/
-T: git kernel.org:/pub/scm/linux/kernel/git/mwu/mac80211-drivers.git
+T: git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-testing.git
S: Maintained
+RTL8187 WIRELESS DRIVER
+P: Herton Ronaldo Krzesinski
+M: herton@mandriva.com.br
+P: Hin-Tak Leung
+M htl10@users.sourceforge.net
+P: Larry Finger
+M: Larry.Finger@lwfinger.net
+L: linux-wireless@vger.kernel.org
+W: http://linuxwireless.org/
+T: git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-testing.git
+S: Maintained
+
S3 SAVAGE FRAMEBUFFER DRIVER
P: Antonino Daplas
M: adaplas@gmail.com
L: sdhci-devel@list.drzeus.cx
S: Maintained
+SECURITY SUBSYSTEM
+F: security/
+P: James Morris
+M: jmorris@namei.org
+L: linux-kernel@vger.kernel.org
+L: linux-security-module@vger.kernel.org (suggested Cc:)
+T: git kernel.org:pub/scm/linux/kernel/git/jmorris/security-testing-2.6.git
+S: Supported
+
SECURITY CONTACT
P: Security Officers
M: security@kernel.org
L: lm-sensors@lm-sensors.org
S: Maintained
+SMSC911x ETHERNET DRIVER
+P: Steve Glendinning
+M: steve.glendinning@smsc.com
+L: netdev@vger.kernel.org
+S: Supported
+
+SMSC9420 PCI ETHERNET DRIVER
+P: Steve Glendinning
+M: steve.glendinning@smsc.com
+L: netdev@vger.kernel.org
+S: Supported
+
SMX UIO Interface
P: Ben Nizette
M: bn@niasdigital.com
L: alsa-devel@alsa-project.org (subscribers-only)
S: Maintained
-SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT
+SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
P: Liam Girdwood
M: lrg@slimlogic.co.uk
P: Mark Brown
P: Adrian Hunter
M: ext-adrian.hunter@nokia.com
L: linux-mtd@lists.infradead.org
-T: git git://git.infradead.org/~dedekind/ubifs-2.6.git
+T: git git://git.infradead.org/ubifs-2.6.git
W: http://www.linux-mtd.infradead.org/doc/ubifs.html
S: Maintained
M: dedekind@infradead.org
W: http://www.linux-mtd.infradead.org/
L: linux-mtd@lists.infradead.org
-T: git git://git.infradead.org/~dedekind/ubi-2.6.git
+T: git git://git.infradead.org/ubi-2.6.git
S: Maintained
USB ACM DRIVER
USB VIDEO CLASS
P: Laurent Pinchart
M: laurent.pinchart@skynet.be
-L: linux-uvc-devel@lists.berlios.de
+L: linux-uvc-devel@lists.berlios.de (subscribers-only)
L: video4linux-list@redhat.com
W: http://linux-uvc.berlios.de
S: Maintained
#include <linux/signal.h>
#include <linux/idr.h>
#include <linux/ftrace.h>
+#include <trace/boot.h>
#include <asm/io.h>
#include <asm/bugs.h>
#include <asm/setup.h>
#include <asm/sections.h>
#include <asm/cacheflush.h>
+ #include <linux/kmemtrace.h>
#ifdef CONFIG_X86_LOCAL_APIC
#include <asm/smp.h>
enable_debug_pagealloc();
cpu_hotplug_init();
kmem_cache_init();
+ kmemtrace_init();
debug_objects_mem_init();
idr_init_cache();
setup_per_cpu_pageset();
efi_enter_virtual_mode();
#endif
thread_info_cache_init();
+ cred_init();
fork_init(num_physpages);
proc_caches_init();
buffer_init();
int do_one_initcall(initcall_t fn)
{
int count = preempt_count();
- ktime_t delta;
+ ktime_t calltime, delta, rettime;
char msgbuf[64];
- struct boot_trace it;
+ struct boot_trace_call call;
+ struct boot_trace_ret ret;
if (initcall_debug) {
- it.caller = task_pid_nr(current);
- printk("calling %pF @ %i\n", fn, it.caller);
- it.calltime = ktime_get();
+ call.caller = task_pid_nr(current);
+ printk("calling %pF @ %i\n", fn, call.caller);
+ calltime = ktime_get();
+ trace_boot_call(&call, fn);
+ enable_boot_trace();
}
- it.result = fn();
+ ret.result = fn();
if (initcall_debug) {
- it.rettime = ktime_get();
- delta = ktime_sub(it.rettime, it.calltime);
- it.duration = (unsigned long long) delta.tv64 >> 10;
+ disable_boot_trace();
+ rettime = ktime_get();
+ delta = ktime_sub(rettime, calltime);
+ ret.duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+ trace_boot_ret(&ret, fn);
printk("initcall %pF returned %d after %Ld usecs\n", fn,
- it.result, it.duration);
- trace_boot(&it, fn);
+ ret.result, ret.duration);
}
msgbuf[0] = 0;
- if (it.result && it.result != -ENODEV && initcall_debug)
- sprintf(msgbuf, "error code %d ", it.result);
+ if (ret.result && ret.result != -ENODEV && initcall_debug)
+ sprintf(msgbuf, "error code %d ", ret.result);
if (preempt_count() != count) {
strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
printk("initcall %pF returned with %s\n", fn, msgbuf);
}
- return it.result;
+ return ret.result;
}
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
*/
- stop_boot_trace();
+
init_post();
return 0;
}
#include <linux/module.h>
#include <linux/rcupdate.h>
#include <linux/list.h>
+ #include <linux/kmemtrace.h>
#include <asm/atomic.h>
/*
{
unsigned int *m;
int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
+ void *ret;
if (size < PAGE_SIZE - align) {
if (!size)
return ZERO_SIZE_PTR;
m = slob_alloc(size + align, gfp, align, node);
+
if (!m)
return NULL;
*m = size;
- return (void *)m + align;
+ ret = (void *)m + align;
+
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
+ _RET_IP_, ret,
+ size, size + align, gfp, node);
} else {
- void *ret;
+ unsigned int order = get_order(size);
- ret = slob_new_page(gfp | __GFP_COMP, get_order(size), node);
+ ret = slob_new_page(gfp | __GFP_COMP, order, node);
if (ret) {
struct page *page;
page = virt_to_page(ret);
page->private = size;
}
- return ret;
+
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
+ _RET_IP_, ret,
+ size, PAGE_SIZE << order, gfp, node);
}
+
+ return ret;
}
EXPORT_SYMBOL(__kmalloc_node);
slob_free(m, *m + align);
} else
put_page(&sp->page);
+
+ kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, block);
}
EXPORT_SYMBOL(kfree);
struct kmem_cache *c;
c = slob_alloc(sizeof(struct kmem_cache),
- flags, ARCH_KMALLOC_MINALIGN, -1);
+ GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1);
if (c) {
c->name = name;
{
void *b;
- if (c->size < PAGE_SIZE)
+ if (c->size < PAGE_SIZE) {
b = slob_alloc(c->size, flags, c->align, node);
- else
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE,
+ _RET_IP_, b, c->size,
+ SLOB_UNITS(c->size) * SLOB_UNIT,
+ flags, node);
+ } else {
b = slob_new_page(flags, get_order(c->size), node);
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE,
+ _RET_IP_, b, c->size,
+ PAGE_SIZE << get_order(c->size),
+ flags, node);
+ }
if (c->ctor)
c->ctor(b);
} else {
__kmem_cache_free(b, c->size);
}
+
+ kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, b);
}
EXPORT_SYMBOL(kmem_cache_free);
#include <linux/kallsyms.h>
#include <linux/memory.h>
#include <linux/math64.h>
+ #include <linux/kmemtrace.h>
/*
* Lock order:
* Tracking user of a slab.
*/
struct track {
- void *addr; /* Called from address */
+ unsigned long addr; /* Called from address */
int cpu; /* Was running on cpu */
int pid; /* Pid context */
unsigned long when; /* When did the operation occur */
}
static void set_track(struct kmem_cache *s, void *object,
- enum track_item alloc, void *addr)
+ enum track_item alloc, unsigned long addr)
{
struct track *p;
if (!(s->flags & SLAB_STORE_USER))
return;
- set_track(s, object, TRACK_FREE, NULL);
- set_track(s, object, TRACK_ALLOC, NULL);
+ set_track(s, object, TRACK_FREE, 0UL);
+ set_track(s, object, TRACK_ALLOC, 0UL);
}
static void print_track(const char *s, struct track *t)
return;
printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n",
- s, t->addr, jiffies - t->when, t->cpu, t->pid);
+ s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid);
}
static void print_tracking(struct kmem_cache *s, void *object)
}
static int alloc_debug_processing(struct kmem_cache *s, struct page *page,
- void *object, void *addr)
+ void *object, unsigned long addr)
{
if (!check_slab(s, page))
goto bad;
}
static int free_debug_processing(struct kmem_cache *s, struct page *page,
- void *object, void *addr)
+ void *object, unsigned long addr)
{
if (!check_slab(s, page))
goto fail;
struct page *page, void *object) {}
static inline int alloc_debug_processing(struct kmem_cache *s,
- struct page *page, void *object, void *addr) { return 0; }
+ struct page *page, void *object, unsigned long addr) { return 0; }
static inline int free_debug_processing(struct kmem_cache *s,
- struct page *page, void *object, void *addr) { return 0; }
+ struct page *page, void *object, unsigned long addr) { return 0; }
static inline int slab_pad_check(struct kmem_cache *s, struct page *page)
{ return 1; }
* we need to allocate a new slab. This is the slowest path since it involves
* a call to the page allocator and the setup of a new slab.
*/
- static void *__slab_alloc(struct kmem_cache *s,
- gfp_t gfpflags, int node, void *addr, struct kmem_cache_cpu *c)
+ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
+ unsigned long addr, struct kmem_cache_cpu *c)
{
void **object;
struct page *new;
* Otherwise we can simply pick the next object from the lockless free list.
*/
static __always_inline void *slab_alloc(struct kmem_cache *s,
- gfp_t gfpflags, int node, void *addr)
+ gfp_t gfpflags, int node, unsigned long addr)
{
void **object;
struct kmem_cache_cpu *c;
void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
{
- return slab_alloc(s, gfpflags, -1, __builtin_return_address(0));
+ void *ret = slab_alloc(s, gfpflags, -1, _RET_IP_);
+
+ kmemtrace_mark_alloc(KMEMTRACE_TYPE_CACHE, _RET_IP_, ret,
+ s->objsize, s->size, gfpflags);
+
+ return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc);
+ #ifdef CONFIG_KMEMTRACE
+ void *kmem_cache_alloc_notrace(struct kmem_cache *s, gfp_t gfpflags)
+ {
+ return slab_alloc(s, gfpflags, -1, _RET_IP_);
+ }
+ EXPORT_SYMBOL(kmem_cache_alloc_notrace);
+ #endif
+
#ifdef CONFIG_NUMA
void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
{
- return slab_alloc(s, gfpflags, node, __builtin_return_address(0));
+ void *ret = slab_alloc(s, gfpflags, node, _RET_IP_);
+
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE, _RET_IP_, ret,
+ s->objsize, s->size, gfpflags, node);
+
+ return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_node);
#endif
+ #ifdef CONFIG_KMEMTRACE
+ void *kmem_cache_alloc_node_notrace(struct kmem_cache *s,
+ gfp_t gfpflags,
+ int node)
+ {
+ return slab_alloc(s, gfpflags, node, _RET_IP_);
+ }
+ EXPORT_SYMBOL(kmem_cache_alloc_node_notrace);
+ #endif
+
/*
* Slow patch handling. This may still be called frequently since objects
* have a longer lifetime than the cpu slabs in most processing loads.
* handling required then we can return immediately.
*/
static void __slab_free(struct kmem_cache *s, struct page *page,
- void *x, void *addr, unsigned int offset)
+ void *x, unsigned long addr, unsigned int offset)
{
void *prior;
void **object = (void *)x;
* with all sorts of special processing.
*/
static __always_inline void slab_free(struct kmem_cache *s,
- struct page *page, void *x, void *addr)
+ struct page *page, void *x, unsigned long addr)
{
void **object = (void *)x;
struct kmem_cache_cpu *c;
page = virt_to_head_page(x);
- slab_free(s, page, x, __builtin_return_address(0));
+ slab_free(s, page, x, _RET_IP_);
+
+ kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, x);
}
EXPORT_SYMBOL(kmem_cache_free);
void *__kmalloc(size_t size, gfp_t flags)
{
struct kmem_cache *s;
+ void *ret;
if (unlikely(size > PAGE_SIZE))
return kmalloc_large(size, flags);
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- return slab_alloc(s, flags, -1, __builtin_return_address(0));
+ ret = slab_alloc(s, flags, -1, _RET_IP_);
+
+ kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, ret,
+ size, s->size, flags);
+
+ return ret;
}
EXPORT_SYMBOL(__kmalloc);
void *__kmalloc_node(size_t size, gfp_t flags, int node)
{
struct kmem_cache *s;
+ void *ret;
- if (unlikely(size > PAGE_SIZE))
- return kmalloc_large_node(size, flags, node);
+ if (unlikely(size > PAGE_SIZE)) {
+ ret = kmalloc_large_node(size, flags, node);
+
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
+ _RET_IP_, ret,
+ size, PAGE_SIZE << get_order(size),
+ flags, node);
+
+ return ret;
+ }
s = get_slab(size, flags);
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- return slab_alloc(s, flags, node, __builtin_return_address(0));
+ ret = slab_alloc(s, flags, node, _RET_IP_);
+
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, ret,
+ size, s->size, flags, node);
+
+ return ret;
}
EXPORT_SYMBOL(__kmalloc_node);
#endif
put_page(page);
return;
}
- slab_free(page->slab, page, object, __builtin_return_address(0));
+ slab_free(page->slab, page, object, _RET_IP_);
+
+ kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, x);
}
EXPORT_SYMBOL(kfree);
case MEM_CANCEL_OFFLINE:
break;
}
-
- ret = notifier_from_errno(ret);
+ if (ret)
+ ret = notifier_from_errno(ret);
+ else
+ ret = NOTIFY_OK;
return ret;
}
#endif
- void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, void *caller)
+ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
{
struct kmem_cache *s;
+ void *ret;
if (unlikely(size > PAGE_SIZE))
return kmalloc_large(size, gfpflags);
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- return slab_alloc(s, gfpflags, -1, caller);
+ ret = slab_alloc(s, gfpflags, -1, caller);
+
+ /* Honor the call site pointer we recieved. */
+ kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, caller, ret, size,
+ s->size, gfpflags);
+
+ return ret;
}
void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
- int node, void *caller)
+ int node, unsigned long caller)
{
struct kmem_cache *s;
+ void *ret;
if (unlikely(size > PAGE_SIZE))
return kmalloc_large_node(size, gfpflags, node);
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- return slab_alloc(s, gfpflags, node, caller);
+ ret = slab_alloc(s, gfpflags, node, caller);
+
+ /* Honor the call site pointer we recieved. */
+ kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, caller, ret,
+ size, s->size, gfpflags, node);
+
+ return ret;
}
#ifdef CONFIG_SLUB_DEBUG
struct location {
unsigned long count;
- void *addr;
+ unsigned long addr;
long long sum_time;
long min_time;
long max_time;
{
long start, end, pos;
struct location *l;
- void *caddr;
+ unsigned long caddr;
unsigned long age = jiffies - track->when;
start = -1;
for (i = 0; i < t.count; i++) {
struct location *l = &t.loc[i];
- if (len > PAGE_SIZE - 100)
+ if (len > PAGE_SIZE - KSYM_SYMBOL_LEN - 100)
break;
len += sprintf(buf + len, "%7ld ", l->count);
projects / linux-2.6-omap-h63xx.git / commitdiff