diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2011-09-26 17:12:53 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2011-12-02 16:12:42 +0000 |
| commit | f528f0b8e53d73b18be71e96693cfab9322f33c7 (patch) | |
| tree | 5a25d6ac1c2f18561e554074aa7c06bf3d899183 /include | |
| parent | 74341703edca6bc68a165a18453071b097828407 (diff) | |
kmemleak: Handle percpu memory allocation
This patch adds kmemleak callbacks from the percpu allocator, reducing a
number of false positives caused by kmemleak not scanning such memory
blocks. The percpu chunks are never reported as leaks because of current
kmemleak limitations with the __percpu pointer not pointing directly to
the actual chunks.
Reported-by: Huajun Li <huajun.li.lee@gmail.com>
Acked-by: Christoph Lameter <cl@gentwo.org>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kmemleak.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h index 99d9a6766f7..2a5e5548a1d 100644 --- a/include/linux/kmemleak.h +++ b/include/linux/kmemleak.h @@ -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) { } |