This function is seldom used, and can be simply replaced with cachep->size.
Cc: Pekka Enberg <penb...@kernel.org>
Signed-off-by: Ezequiel Garcia <elezegar...@gmail.com>
---
include/linux/slab_def.h | 5 -----
mm/slab.c | 12 ++----------
2 files changed, 2 insertions(+), 15 deletions(-)
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 36d7031..604ebc8 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -113,17 +113,12 @@ void *__kmalloc(size_t size, gfp_t flags);
#ifdef CONFIG_TRACING
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_trace(size_t size, struct kmem_cache *cachep, gfp_t flags)
{
return kmem_cache_alloc(cachep, flags);
}
-static inline size_t slab_buffer_size(struct kmem_cache *cachep)
-{
- return 0;
-}
#endif
static __always_inline void *kmalloc(size_t size, gfp_t flags)
diff --git a/mm/slab.c b/mm/slab.c
index 3b4587b..53e41de 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -498,14 +498,6 @@ static void **dbg_userword(struct kmem_cache *cachep, void
*objp)
#endif
-#ifdef CONFIG_TRACING
-size_t slab_buffer_size(struct kmem_cache *cachep)
-{
- return cachep->size;
-}
-EXPORT_SYMBOL(slab_buffer_size);
-#endif
-
/*
* Do not go above this order unless 0 objects fit into the slab or
* overridden on the command line.
@@ -3849,7 +3841,7 @@ kmem_cache_alloc_trace(size_t size, struct kmem_cache
*cachep, gfp_t flags)
ret = __cache_alloc(cachep, flags, __builtin_return_address(0));
trace_kmalloc(_RET_IP_, ret,
- size, slab_buffer_size(cachep), flags);
+ size, cachep->size, flags);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_trace);
@@ -3880,7 +3872,7 @@ void *kmem_cache_alloc_node_trace(size_t size,
ret = __cache_alloc_node(cachep, flags, nodeid,
__builtin_return_address(0));
trace_kmalloc_node(_RET_IP_, ret,
- size, slab_buffer_size(cachep),
+ size, cachep->size,
flags, nodeid);
return ret;
}
--
1.7.8.6
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