On 3/22/22 10:14, Miaohe Lin wrote: > 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> > --- Adding to the slab tree, thanks. Included also this move of declaration closer to its users: diff --git a/mm/slab.c b/mm/slab.c index 4ea12ddaa7db..90b16c7ae01a 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -626,8 +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 struct alien_cache *__alloc_alien_cache(int node, int entries, int batch, gfp_t gfp) { @@ -3043,6 +3041,8 @@ static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags) } #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. *