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authorCatalin Marinas <catalin.marinas@arm.com>2014-06-06 14:38:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 16:08:17 -0700
commitffe2c748e283c5dc1b9b9ac116299dbfc11a609b (patch)
treeef16269fb598e941c9e0c90004a8cc20f2133760 /include/linux/kmemleak.h
parentaae0ad7ae5a997bff1862e6e5eebed39cdf08ff3 (diff)
downloadop-kernel-dev-ffe2c748e283c5dc1b9b9ac116299dbfc11a609b.zip
op-kernel-dev-ffe2c748e283c5dc1b9b9ac116299dbfc11a609b.tar.gz
mm: introduce kmemleak_update_trace()
The memory allocation stack trace is not always useful for debugging a memory leak (e.g. radix_tree_preload). This function, when called, updates the stack trace for an already allocated object. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kmemleak.h')
-rw-r--r--include/linux/kmemleak.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
index 5bb4246..057e959 100644
--- a/include/linux/kmemleak.h
+++ b/include/linux/kmemleak.h
@@ -30,6 +30,7 @@ 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_update_trace(const void *ptr) __ref;
extern void kmemleak_not_leak(const void *ptr) __ref;
extern void kmemleak_ignore(const void *ptr) __ref;
extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
@@ -83,6 +84,9 @@ 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_update_trace(const void *ptr)
+{
+}
static inline void kmemleak_not_leak(const void *ptr)
{
}
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