diff --git a/kernel/watch_queue.c b/kernel/watch_queue.c
index a662abccf52cde404e8539c618842c7be9f23cb4..249ed32591449d88b59e5eea1cc321514429717c 100644
--- a/kernel/watch_queue.c
+++ b/kernel/watch_queue.c
@@ -373,6 +373,7 @@ static void __put_watch_queue(struct kref *kref)
 
 	for (i = 0; i < wqueue->nr_pages; i++)
 		__free_page(wqueue->notes[i]);
+	kfree(wqueue->notes);
 	bitmap_free(wqueue->notes_bitmap);
 
 	wfilter = rcu_access_pointer(wqueue->filter);