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| author | Xiaotian Feng <dfeng@redhat.com> | 2010-06-30 17:57:22 +0800 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2010-07-04 19:48:33 +0300 |
| commit | 7adde04a2f5a798f04a556dfb3b69bff388e5dc4 (patch) | |
| tree | ea64a2536a8bbe91b34ab3f8f16a795d64429b85 /include/linux/slab.h | |
| parent | 7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff) | |
| download | lwn-7adde04a2f5a798f04a556dfb3b69bff388e5dc4.tar.gz lwn-7adde04a2f5a798f04a556dfb3b69bff388e5dc4.zip | |
slab: fix caller tracking on !CONFIG_DEBUG_SLAB && CONFIG_TRACING
In slab, all __xxx_track_caller is defined on CONFIG_DEBUG_SLAB || CONFIG_TRACING,
thus caller tracking function should be worked for CONFIG_TRACING. But if
CONFIG_DEBUG_SLAB is not set, include/linux/slab.h will define xxx_track_caller to
__xxx() without consideration of CONFIG_TRACING. This will break the caller tracking
behaviour then.
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Dmitry Monakhov <dmonakhov@openvz.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'include/linux/slab.h')
| -rw-r--r-- | include/linux/slab.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index 49d1247cd6d9..59260e21bdf5 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -268,7 +268,8 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep, * allocator where we care about the real place the memory allocation * request comes from. */ -#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) +#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \ + (defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long); #define kmalloc_track_caller(size, flags) \ __kmalloc_track_caller(size, flags, _RET_IP_) @@ -286,7 +287,8 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long); * standard allocator where we care about the real place the memory * allocation request comes from. */ -#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) +#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \ + (defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long); #define kmalloc_node_track_caller(size, flags, node) \ __kmalloc_node_track_caller(size, flags, node, \ |