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tracing, slab: Define kmem_cache_alloc_notrace ifdef CONFIG_TRACING

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Define kmem_trace_alloc_{,node}_notrace() if CONFIG_TRACING is
enabled, otherwise perf-kmem will show wrong stats ifndef
CONFIG_KMEM_TRACE, because a kmalloc() memory allocation may
be traced by both trace_kmalloc() and trace_kmem_cache_alloc().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: linux-mm@kvack.org <linux-mm@kvack.org>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
LKML-Reference: <4B21F89A.7000801@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan
2009-12-11 15:45:30 +08:00
committed by Ingo Molnar
parent 125580380f
commit 0f24f1287a
4 changed files with 9 additions and 9 deletions
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include/linux/slub_def.h
+2 -2
View File
@@ -217,7 +217,7 @@ static __always_inline struct kmem_cache *kmalloc_slab(size_t size)
void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
void *__kmalloc(size_t size, gfp_t flags);
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
extern void *kmem_cache_alloc_notrace(struct kmem_cache *s, gfp_t gfpflags);
#else
static __always_inline void *
@@ -266,7 +266,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
void *__kmalloc_node(size_t size, gfp_t flags, int node);
void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
extern void *kmem_cache_alloc_node_notrace(struct kmem_cache *s,
gfp_t gfpflags,
int node);