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mm/slab: remove some unused functions

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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.

[ vbabka@suse.cz: move ____cache_alloc_node() declaration closer to
  its callers ]

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20220322091421.25285-1-linmiaohe@huawei.com
This commit is contained in:
Miaohe Lin 2022-03-22 17:14:21 +08:00 committed by Vlastimil Babka
parent 3123109284
commit 1e703d0548
1 changed files with 2 additions and 15 deletions
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17
mm/slab.c
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@ -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;
@ -638,9 +626,6 @@ 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)
{
@ -3056,6 +3041,8 @@ out:
}
#ifdef CONFIG_NUMA
static void *____cache_alloc_node(struct kmem_cache *, gfp_t, int);
/*
* Try allocating on another node if PFA_SPREAD_SLAB is a mempolicy is set.
*