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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 <[email protected]>
Reviewed-by: Pekka Enberg <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Eduard - Gabriel Munteanu <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Li Zefan 2009-12-11 15:45:30 +08:00 • committed by Ingo Molnar
commit 0f24f1287a
4 changed files with 9 additions and 9 deletions
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4
mm/slub.c
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@ -1754,7 +1754,7 @@ void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
}
EXPORT_SYMBOL(kmem_cache_alloc);
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
void *kmem_cache_alloc_notrace(struct kmem_cache *s, gfp_t gfpflags)
{
return slab_alloc(s, gfpflags, -1, _RET_IP_);
@ -1775,7 +1775,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
EXPORT_SYMBOL(kmem_cache_alloc_node);
#endif
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
void *kmem_cache_alloc_node_notrace(struct kmem_cache *s,
gfp_t gfpflags,
int node)