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Commit 870b1fbb authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

slub: make size_from_object() return unsigned int 

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: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Acked-by: default avatarChristoph 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 19af27af

mm/slub.c

+1 −1
Original line number Diff line number Diff line
@@ -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;