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yaml
---
r: 227690
b: refs/heads/master
c: 85beb58
h: refs/heads/master
v: v3
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Steven Rostedt authored and Pekka Enberg committed Nov 28, 2010
1 parent c3e3e63 commit 79e4cf2
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Showing 3 changed files with 37 additions and 36 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 98072e4d977aabe6a39abb95951cd8bf2c2202d5
refs/heads/master: 85beb5869a4f6abb52a7cf8e01de6fa57e9ee47d
33 changes: 13 additions & 20 deletions trunk/include/linux/slab_def.h
Original file line number Diff line number Diff line change
Expand Up @@ -138,11 +138,12 @@ void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
void *__kmalloc(size_t size, gfp_t flags);

#ifdef CONFIG_TRACING
extern void *kmem_cache_alloc_notrace(struct kmem_cache *cachep, gfp_t flags);
extern void *kmem_cache_alloc_trace(size_t size,
struct kmem_cache *cachep, gfp_t flags);
extern size_t slab_buffer_size(struct kmem_cache *cachep);
#else
static __always_inline void *
kmem_cache_alloc_notrace(struct kmem_cache *cachep, gfp_t flags)
kmem_cache_alloc_trace(size_t size, struct kmem_cache *cachep, gfp_t flags)
{
return kmem_cache_alloc(cachep, flags);
}
Expand Down Expand Up @@ -179,10 +180,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
#endif
cachep = malloc_sizes[i].cs_cachep;

ret = kmem_cache_alloc_notrace(cachep, flags);

trace_kmalloc(_THIS_IP_, ret,
size, slab_buffer_size(cachep), flags);
ret = kmem_cache_alloc_trace(size, cachep, flags);

return ret;
}
Expand All @@ -194,14 +192,16 @@ extern void *__kmalloc_node(size_t size, gfp_t flags, int node);
extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);

#ifdef CONFIG_TRACING
extern void *kmem_cache_alloc_node_notrace(struct kmem_cache *cachep,
gfp_t flags,
int nodeid);
extern void *kmem_cache_alloc_node_trace(size_t size,
struct kmem_cache *cachep,
gfp_t flags,
int nodeid);
#else
static __always_inline void *
kmem_cache_alloc_node_notrace(struct kmem_cache *cachep,
gfp_t flags,
int nodeid)
kmem_cache_alloc_node_trace(size_t size,
struct kmem_cache *cachep,
gfp_t flags,
int nodeid)
{
return kmem_cache_alloc_node(cachep, flags, nodeid);
}
Expand All @@ -210,7 +210,6 @@ kmem_cache_alloc_node_notrace(struct kmem_cache *cachep,
static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
{
struct kmem_cache *cachep;
void *ret;

if (__builtin_constant_p(size)) {
int i = 0;
Expand All @@ -234,13 +233,7 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
#endif
cachep = malloc_sizes[i].cs_cachep;

ret = kmem_cache_alloc_node_notrace(cachep, flags, node);

trace_kmalloc_node(_THIS_IP_, ret,
size, slab_buffer_size(cachep),
flags, node);

return ret;
return kmem_cache_alloc_node_trace(size, cachep, flags, node);
}
return __kmalloc_node(size, flags, node);
}
Expand Down
38 changes: 23 additions & 15 deletions trunk/mm/slab.c
Original file line number Diff line number Diff line change
Expand Up @@ -3653,11 +3653,18 @@ void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
EXPORT_SYMBOL(kmem_cache_alloc);

#ifdef CONFIG_TRACING
void *kmem_cache_alloc_notrace(struct kmem_cache *cachep, gfp_t flags)
void *
kmem_cache_alloc_trace(size_t size, struct kmem_cache *cachep, gfp_t flags)
{
return __cache_alloc(cachep, flags, __builtin_return_address(0));
void *ret;

ret = __cache_alloc(cachep, flags, __builtin_return_address(0));

trace_kmalloc(_RET_IP_, ret,
size, slab_buffer_size(cachep), flags);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_notrace);
EXPORT_SYMBOL(kmem_cache_alloc_trace);
#endif

/**
Expand Down Expand Up @@ -3705,31 +3712,32 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
EXPORT_SYMBOL(kmem_cache_alloc_node);

#ifdef CONFIG_TRACING
void *kmem_cache_alloc_node_notrace(struct kmem_cache *cachep,
gfp_t flags,
int nodeid)
void *kmem_cache_alloc_node_trace(size_t size,
struct kmem_cache *cachep,
gfp_t flags,
int nodeid)
{
return __cache_alloc_node(cachep, flags, nodeid,
void *ret;

ret = __cache_alloc_node(cachep, flags, nodeid,
__builtin_return_address(0));
trace_kmalloc_node(_RET_IP_, ret,
size, slab_buffer_size(cachep),
flags, nodeid);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_node_notrace);
EXPORT_SYMBOL(kmem_cache_alloc_node_trace);
#endif

static __always_inline void *
__do_kmalloc_node(size_t size, gfp_t flags, int node, void *caller)
{
struct kmem_cache *cachep;
void *ret;

cachep = kmem_find_general_cachep(size, flags);
if (unlikely(ZERO_OR_NULL_PTR(cachep)))
return cachep;
ret = kmem_cache_alloc_node_notrace(cachep, flags, node);

trace_kmalloc_node((unsigned long) caller, ret,
size, cachep->buffer_size, flags, node);

return ret;
return kmem_cache_alloc_node_trace(size, cachep, flags, node);
}

#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_TRACING)
Expand Down

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