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| 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 /Documentation/kmemleak.txt | |
| parent | 74341703edca6bc68a165a18453071b097828407 (diff) | |
| download | op-kernel-dev-f528f0b8e53d73b18be71e96693cfab9322f33c7.zip op-kernel-dev-f528f0b8e53d73b18be71e96693cfab9322f33c7.tar.gz | |
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 'Documentation/kmemleak.txt')
| -rw-r--r-- | Documentation/kmemleak.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/kmemleak.txt b/Documentation/kmemleak.txt index 51063e6..b6e3973 100644 --- a/Documentation/kmemleak.txt +++ b/Documentation/kmemleak.txt @@ -127,7 +127,10 @@ See the include/linux/kmemleak.h header for the functions prototype. kmemleak_init - initialize kmemleak kmemleak_alloc - notify of a memory block allocation +kmemleak_alloc_percpu - notify of a percpu memory block allocation kmemleak_free - notify of a memory block freeing +kmemleak_free_part - notify of a partial memory block freeing +kmemleak_free_percpu - notify of a percpu memory block freeing kmemleak_not_leak - mark an object as not a leak kmemleak_ignore - do not scan or report an object as leak kmemleak_scan_area - add scan areas inside a memory block |
