[PATCH] mm/slab: remove some unused functions

[Miaohe Lin]

alternate_node_alloc and ____cache_alloc_node are always called when
CONFIG_NUMA. So we can remove the unused !CONFIG_NUMA variant. Also
forward declaration for alternate_node_alloc is unnecessary. Remove
it too.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/slab.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index d9dec7a8fd79..81301df47057 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -619,18 +619,6 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
 	return 0;
 }
 
-static inline void *alternate_node_alloc(struct kmem_cache *cachep,
-		gfp_t flags)
-{
-	return NULL;
-}
-
-static inline void *____cache_alloc_node(struct kmem_cache *cachep,
-		 gfp_t flags, int nodeid)
-{
-	return NULL;
-}
-
 static inline gfp_t gfp_exact_node(gfp_t flags)
 {
 	return flags & ~__GFP_NOFAIL;
@@ -639,7 +627,6 @@ static inline gfp_t gfp_exact_node(gfp_t flags)
 #else	/* CONFIG_NUMA */
 
 static void *____cache_alloc_node(struct kmem_cache *, gfp_t, int);
-static void *alternate_node_alloc(struct kmem_cache *, gfp_t);
 
 static struct alien_cache *__alloc_alien_cache(int node, int entries,
 						int batch, gfp_t gfp)
-- 
2.23.0