mm, slab: Remove silly function slab_buffer_size()

This function is seldom used, and can be simply replaced with cachep->size.

Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 36d7031a1a53..604ebc832a9a 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)