Commit 81aba9e0 authored by Jules Irenge's avatar Jules Irenge Committed by Linus Torvalds
Browse files

mm/slub: add missing annotation for put_map() 



Sparse reports a warning at put_map()()

 warning: context imbalance in put_map() - unexpected unlock

The root cause is the missing annotation at put_map()
Add the missing __releases(&object_map_lock) annotation

Signed-off-by: default avatarJules Irenge <jbi.octave@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-10-jbi.octave@gmail.com


Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 31364c2e

mm/slub.c

+1 −1
Original line number Diff line number Diff line
@@ -466,7 +466,7 @@ static unsigned long *get_map(struct kmem_cache *s, struct page *page) 
	return object_map;

}



static void put_map(unsigned long *map)

static void put_map(unsigned long *map) __releases(&object_map_lock)

{

	VM_BUG_ON(map != object_map);

	lockdep_assert_held(&object_map_lock);