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slub: make size_from_object() return unsigned int

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Function returns size of the object without red zone which can't be
negative.

Link: http://lkml.kernel.org/r/20180305200730.15812-24-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-04-05 16:21:43 -07:00 committed by Linus Torvalds
parent 19af27aff9
commit 870b1fbb03
1 changed files with 1 additions and 1 deletions
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2
mm/slub.c
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@ -466,7 +466,7 @@ static void get_map(struct kmem_cache *s, struct page *page, unsigned long *map)
set_bit(slab_index(p, s, addr), map);
}
static inline int size_from_object(struct kmem_cache *s)
static inline unsigned int size_from_object(struct kmem_cache *s)
{
if (s->flags & SLAB_RED_ZONE)
return s->size - s->red_left_pad;