Now that slab_alloc_node() is available for SLAB when CONFIG_NUMA=n, remove CONFIG_NUMA ifdefs for common kmalloc functions. Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx> --- include/linux/slab.h | 28 ---------------------------- mm/slab.c | 2 -- mm/slob.c | 5 +---- mm/slub.c | 6 ------ 4 files changed, 1 insertion(+), 40 deletions(-) diff --git a/include/linux/slab.h b/include/linux/slab.h index 11ceddcae9f4..a3b9d4c20d7e 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -444,38 +444,18 @@ static __always_inline void kfree_bulk(size_t size, void **p) kmem_cache_free_bulk(NULL, size, p); } -#ifdef CONFIG_NUMA void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment __alloc_size(1); void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t flags, int node) __assume_slab_alignment __malloc; -#else -static __always_inline __alloc_size(1) void *__kmalloc_node(size_t size, gfp_t flags, int node) -{ - return __kmalloc(size, flags); -} - -static __always_inline void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t flags, int node) -{ - return kmem_cache_alloc(s, flags); -} -#endif #ifdef CONFIG_TRACING extern void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t flags, size_t size) __assume_slab_alignment __alloc_size(3); -#ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node_trace(struct kmem_cache *s, gfp_t gfpflags, int node, size_t size) __assume_slab_alignment __alloc_size(4); -#else -static __always_inline __alloc_size(4) void *kmem_cache_alloc_node_trace(struct kmem_cache *s, - gfp_t gfpflags, int node, size_t size) -{ - return kmem_cache_alloc_trace(s, gfpflags, size); -} -#endif /* CONFIG_NUMA */ #else /* CONFIG_TRACING */ static __always_inline __alloc_size(3) void *kmem_cache_alloc_trace(struct kmem_cache *s, @@ -689,20 +669,12 @@ static inline __alloc_size(1, 2) void *kcalloc_node(size_t n, size_t size, gfp_t } -#ifdef CONFIG_NUMA extern void *__kmalloc_node_track_caller(size_t size, gfp_t flags, int node, unsigned long caller) __alloc_size(1); #define kmalloc_node_track_caller(size, flags, node) \ __kmalloc_node_track_caller(size, flags, node, \ _RET_IP_) -#else /* CONFIG_NUMA */ - -#define kmalloc_node_track_caller(size, flags, node) \ - kmalloc_track_caller(size, flags) - -#endif /* CONFIG_NUMA */ - /* * Shortcuts */ diff --git a/mm/slab.c b/mm/slab.c index f033d5b4fefb..5ad55ca96ab6 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3545,7 +3545,6 @@ kmem_cache_alloc_trace(struct kmem_cache *cachep, gfp_t flags, size_t size) EXPORT_SYMBOL(kmem_cache_alloc_trace); #endif -#ifdef CONFIG_NUMA /** * kmem_cache_alloc_node - Allocate an object on the specified node * @cachep: The cache to allocate from. @@ -3619,7 +3618,6 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t flags, return __do_kmalloc_node(size, flags, node, caller); } EXPORT_SYMBOL(__kmalloc_node_track_caller); -#endif /* CONFIG_NUMA */ #ifdef CONFIG_PRINTK void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct slab *slab) diff --git a/mm/slob.c b/mm/slob.c index dfa6808dff36..c8c3b5662edf 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -534,14 +534,12 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfp, unsigned long caller) } EXPORT_SYMBOL(__kmalloc_track_caller); -#ifdef CONFIG_NUMA void *__kmalloc_node_track_caller(size_t size, gfp_t gfp, int node, unsigned long caller) { return __do_kmalloc_node(size, gfp, node, caller); } EXPORT_SYMBOL(__kmalloc_node_track_caller); -#endif void kfree(const void *block) { @@ -641,7 +639,7 @@ void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru, gfp_ return slob_alloc_node(cachep, flags, NUMA_NO_NODE); } EXPORT_SYMBOL(kmem_cache_alloc_lru); -#ifdef CONFIG_NUMA + void *__kmalloc_node(size_t size, gfp_t gfp, int node) { return __do_kmalloc_node(size, gfp, node, _RET_IP_); @@ -653,7 +651,6 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t gfp, int node) return slob_alloc_node(cachep, gfp, node); } EXPORT_SYMBOL(kmem_cache_alloc_node); -#endif static void __kmem_cache_free(void *b, int size) { diff --git a/mm/slub.c b/mm/slub.c index d7e8355b2f08..e36c148e5069 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3260,7 +3260,6 @@ void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size) EXPORT_SYMBOL(kmem_cache_alloc_trace); #endif -#ifdef CONFIG_NUMA void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node) { void *ret = slab_alloc_node(s, NULL, gfpflags, node, _RET_IP_, s->object_size); @@ -3287,7 +3286,6 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s, } EXPORT_SYMBOL(kmem_cache_alloc_node_trace); #endif -#endif /* CONFIG_NUMA */ /* * Slow path handling. This may still be called frequently since objects @@ -4424,7 +4422,6 @@ void *__kmalloc(size_t size, gfp_t flags) } EXPORT_SYMBOL(__kmalloc); -#ifdef CONFIG_NUMA static void *kmalloc_large_node(size_t size, gfp_t flags, int node) { struct page *page; @@ -4471,7 +4468,6 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node) return ret; } EXPORT_SYMBOL(__kmalloc_node); -#endif /* CONFIG_NUMA */ #ifdef CONFIG_HARDENED_USERCOPY /* @@ -4929,7 +4925,6 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller) } EXPORT_SYMBOL(__kmalloc_track_caller); -#ifdef CONFIG_NUMA void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, int node, unsigned long caller) { @@ -4959,7 +4954,6 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, return ret; } EXPORT_SYMBOL(__kmalloc_node_track_caller); -#endif #ifdef CONFIG_SYSFS static int count_inuse(struct slab *slab) -- 2.32.0