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@xxxxxxxxx> --- mm/slub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/slub.c b/mm/slub.c index 17dc00e33115..3c6d348afcf9 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); -- 2.24.1