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| author | Jules Irenge <jbi.octave@gmail.com> | 2020-04-06 20:08:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-07 10:43:41 -0700 |
| commit | 31364c2e168b48c8596d4d43bad9bff70e21976b (patch) | |
| tree | 4b234189c82243356dd615677242456c45b06f81 | |
| parent | 959a7e136d52bff429c774a4ed451b094706116b (diff) | |
mm/slub: add missing annotation for get_map()
Sparse reports a warning at get_map()()
warning: context imbalance in get_map() - wrong count at exit
The root cause is the missing annotation at get_map()
Add the missing __acquires(&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/20200214204741.94112-9-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/slub.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c index 3098e0cf2899..c6d603648c79 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -449,6 +449,7 @@ static DEFINE_SPINLOCK(object_map_lock); * not vanish from under us. */ static unsigned long *get_map(struct kmem_cache *s, struct page *page) + __acquires(&object_map_lock) { void *p; void *addr = page_address(page); |