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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: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200214204741.94112-10-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jules Irenge 2020-04-06 20:08:18 -07:00 committed by Linus Torvalds
parent 31364c2e16
commit 81aba9e06b
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 unsigned long *get_map(struct kmem_cache *s, struct page *page)
return object_map; 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); VM_BUG_ON(map != object_map);
lockdep_assert_held(&object_map_lock); lockdep_assert_held(&object_map_lock);