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author | Jesper Dangaard Brouer <brouer@redhat.com> | 2016-03-15 22:53:35 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 00:55:16 +0100 |
commit | 11c7aec2a9b4e685bbf6a15148e7841b3525fc0c (patch) | |
tree | ba42335291f08bd041eaf76ac13ff7f1e508cc8c /mm/slub.c | |
parent | slub: clean up code for kmem cgroup support to kmem_cache_free_bulk (diff) | |
download | linux-11c7aec2a9b4e685bbf6a15148e7841b3525fc0c.tar.xz linux-11c7aec2a9b4e685bbf6a15148e7841b3525fc0c.zip |
mm/slab: move SLUB alloc hooks to common mm/slab.h
First step towards sharing alloc_hook's between SLUB and SLAB
allocators. Move the SLUB allocators *_alloc_hook to the common
mm/slab.h for internal slab definitions.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r-- | mm/slub.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/mm/slub.c b/mm/slub.c index 2a722e141958..6dd04c0465c5 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -284,30 +284,6 @@ static inline int slab_index(void *p, struct kmem_cache *s, void *addr) return (p - addr) / s->size; } -static inline size_t slab_ksize(const struct kmem_cache *s) -{ -#ifdef CONFIG_SLUB_DEBUG - /* - * Debugging requires use of the padding between object - * and whatever may come after it. - */ - if (s->flags & (SLAB_RED_ZONE | SLAB_POISON)) - return s->object_size; - -#endif - /* - * If we have the need to store the freelist pointer - * back there or track user information then we can - * only use the space before that information. - */ - if (s->flags & (SLAB_DESTROY_BY_RCU | SLAB_STORE_USER)) - return s->inuse; - /* - * Else we can use all the padding etc for the allocation - */ - return s->size; -} - static inline int order_objects(int order, unsigned long size, int reserved) { return ((PAGE_SIZE << order) - reserved) / size; @@ -1281,36 +1257,6 @@ static inline void kfree_hook(const void *x) kasan_kfree_large(x); } -static inline struct kmem_cache *slab_pre_alloc_hook(struct kmem_cache *s, - gfp_t flags) -{ - flags &= gfp_allowed_mask; - lockdep_trace_alloc(flags); - might_sleep_if(gfpflags_allow_blocking(flags)); - - if (should_failslab(s->object_size, flags, s->flags)) - return NULL; - - return memcg_kmem_get_cache(s, flags); -} - -static inline void slab_post_alloc_hook(struct kmem_cache *s, gfp_t flags, - size_t size, void **p) -{ - size_t i; - - flags &= gfp_allowed_mask; - for (i = 0; i < size; i++) { - void *object = p[i]; - - kmemcheck_slab_alloc(s, flags, object, slab_ksize(s)); - kmemleak_alloc_recursive(object, s->object_size, 1, - s->flags, flags); - kasan_slab_alloc(s, object); - } - memcg_kmem_put_cache(s); -} - static inline void slab_free_hook(struct kmem_cache *s, void *x) { kmemleak_free_recursive(x, s->flags); |