diff mbox series

[04/30] mm/memcontrol: Add missing annotation for lock_page_lru()

Message ID 20200214204741.94112-5-jbi.octave@gmail.com (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Jules Irenge Feb. 14, 2020, 8:47 p.m. UTC 
Sparse reports warning at lock_page_lry()

warning: context imbalance in lock_page_lru() - wrong count at exit

The root cause is the missing annotation at lock_page_lru()
Add the missing __acquires(&pgdat->lru_lock)

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 mm/memcontrol.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 22ddd557a69b..67dc9f1af0bf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2571,6 +2571,7 @@  static void cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages)
 }
 
 static void lock_page_lru(struct page *page, int *isolated)
+	__acquires(&pgdat->lru_lock)
 {
 	pg_data_t *pgdat = page_pgdat(page);