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Kmemleak patches

Browse source 
Main features:
 - Handle percpu memory allocations (only scanning them, not actually
   reporting).
 - Memory hotplug support.
 
 Usability improvements:
 - Show the origin of early allocations.
 - Report previously found leaks even if kmemleak has been disabled by
   some error.
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Merge tag 'kmemleak' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux

Kmemleak patches

Main features:
- Handle percpu memory allocations (only scanning them, not actually
  reporting).
- Memory hotplug support.

Usability improvements:
- Show the origin of early allocations.
- Report previously found leaks even if kmemleak has been disabled by
  some error.

* tag 'kmemleak' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux:
  kmemleak: Add support for memory hotplug
  kmemleak: Handle percpu memory allocation
  kmemleak: Report previously found leaks even after an error
  kmemleak: When the early log buffer is exceeded, report the actual number
  kmemleak: Show where early_log issues come from
This commit is contained in:
Linus Torvalds 2012-01-14 18:11:11 -08:00
commit 892d208bcf
5 changed files with 155 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/linux/kmemleak.h
View file

@ -26,8 +26,10 @@
extern void kmemleak_init(void) __ref;
extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
gfp_t gfp) __ref;
extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size) __ref;
extern void kmemleak_free(const void *ptr) __ref;
extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
extern void kmemleak_free_percpu(const void __percpu *ptr) __ref;
extern void kmemleak_padding(const void *ptr, unsigned long offset,
size_t size) __ref;
extern void kmemleak_not_leak(const void *ptr) __ref;
@ -68,6 +70,9 @@ static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
gfp_t gfp)
{
}
static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size)
{
}
static inline void kmemleak_free(const void *ptr)
{
}
@ -77,6 +82,9 @@ static inline void kmemleak_free_part(const void *ptr, size_t size)
static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
{
}
static inline void kmemleak_free_percpu(const void __percpu *ptr)
{
}
static inline void kmemleak_not_leak(const void *ptr)
{
}