diff options
| -rw-r--r-- | mm/slab.c | 30 | ||||
| -rw-r--r-- | mm/slub.c | 71 |
2 files changed, 20 insertions, 81 deletions
diff --git a/mm/slab.c b/mm/slab.c index 611e630ff860..8c08d7f3dead 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3631,37 +3631,9 @@ void __kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct slab *slab) } #endif -/** - * __do_kmalloc - allocate memory - * @size: how many bytes of memory are required. - * @flags: the type of memory to allocate (see kmalloc). - * @caller: function caller for debug tracking of the caller - * - * Return: pointer to the allocated memory or %NULL in case of error - */ -static __always_inline void *__do_kmalloc(size_t size, gfp_t flags, - unsigned long caller) -{ - struct kmem_cache *cachep; - void *ret; - - if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) - return NULL; - cachep = kmalloc_slab(size, flags); - if (unlikely(ZERO_OR_NULL_PTR(cachep))) - return cachep; - ret = slab_alloc(cachep, NULL, flags, size, caller); - - ret = kasan_kmalloc(cachep, ret, size, flags); - trace_kmalloc(caller, ret, cachep, - size, cachep->size, flags); - - return ret; -} - void *__kmalloc(size_t size, gfp_t flags) { - return __do_kmalloc(size, flags, _RET_IP_); + return __do_kmalloc_node(size, flags, NUMA_NO_NODE, _RET_IP_); } EXPORT_SYMBOL(__kmalloc); diff --git a/mm/slub.c b/mm/slub.c index c82a4062f730..f9929ba858ec 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4402,29 +4402,6 @@ static int __init setup_slub_min_objects(char *str) __setup("slub_min_objects=", setup_slub_min_objects); -void *__kmalloc(size_t size, gfp_t flags) -{ - struct kmem_cache *s; - void *ret; - - if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) - return kmalloc_large(size, flags); - - s = kmalloc_slab(size, flags); - - if (unlikely(ZERO_OR_NULL_PTR(s))) - return s; - - ret = slab_alloc(s, NULL, flags, _RET_IP_, size); - - trace_kmalloc(_RET_IP_, ret, s, size, s->size, flags); - - ret = kasan_kmalloc(s, ret, size, flags); - - return ret; -} -EXPORT_SYMBOL(__kmalloc); - static void *kmalloc_large_node(size_t size, gfp_t flags, int node) { struct page *page; @@ -4442,7 +4419,8 @@ static void *kmalloc_large_node(size_t size, gfp_t flags, int node) return kmalloc_large_node_hook(ptr, size, flags); } -void *__kmalloc_node(size_t size, gfp_t flags, int node) +static __always_inline +void *__do_kmalloc_node(size_t size, gfp_t flags, int node, unsigned long caller) { struct kmem_cache *s; void *ret; @@ -4450,7 +4428,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node) if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) { ret = kmalloc_large_node(size, flags, node); - trace_kmalloc_node(_RET_IP_, ret, NULL, + trace_kmalloc_node(caller, ret, NULL, size, PAGE_SIZE << get_order(size), flags, node); @@ -4462,16 +4440,28 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node) if (unlikely(ZERO_OR_NULL_PTR(s))) return s; - ret = slab_alloc_node(s, NULL, flags, node, _RET_IP_, size); + ret = slab_alloc_node(s, NULL, flags, node, caller, size); - trace_kmalloc_node(_RET_IP_, ret, s, size, s->size, flags, node); + trace_kmalloc_node(caller, ret, s, size, s->size, flags, node); ret = kasan_kmalloc(s, ret, size, flags); return ret; } + +void *__kmalloc_node(size_t size, gfp_t flags, int node) +{ + return __do_kmalloc_node(size, flags, node, _RET_IP_); +} EXPORT_SYMBOL(__kmalloc_node); +void *__kmalloc(size_t size, gfp_t flags) +{ + return __do_kmalloc_node(size, flags, NUMA_NO_NODE, _RET_IP_); +} +EXPORT_SYMBOL(__kmalloc); + + #ifdef CONFIG_HARDENED_USERCOPY /* * Rejects incorrectly sized objects and objects that are to be copied @@ -4905,32 +4895,9 @@ int __kmem_cache_create(struct kmem_cache *s, slab_flags_t flags) } void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, - int node, unsigned long caller) + int node, unsigned long caller) { - struct kmem_cache *s; - void *ret; - - if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) { - ret = kmalloc_large_node(size, gfpflags, node); - - trace_kmalloc_node(caller, ret, NULL, - size, PAGE_SIZE << get_order(size), - gfpflags, node); - - return ret; - } - - s = kmalloc_slab(size, gfpflags); - - if (unlikely(ZERO_OR_NULL_PTR(s))) - return s; - - ret = slab_alloc_node(s, NULL, gfpflags, node, caller, size); - - /* Honor the call site pointer we received. */ - trace_kmalloc_node(caller, ret, s, size, s->size, gfpflags, node); - - return ret; + return __do_kmalloc_node(size, gfpflags, node, caller); } EXPORT_SYMBOL(__kmalloc_node_track_caller); |