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/[email protected] Signed-off-by: Alexey Dobriyan <[email protected]> Acked-by: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: David Rientjes <[email protected]> Cc: Joonsoo Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
josf · Apr 6, 2018 · 870b1fb · 870b1fb
1 parent 19af27a
commit 870b1fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mm/slub.c b/mm/slub.c
@@ -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;