refill_swap_slots_cache is always called when cache->nr is 0. And if
cache->nr != 0, we should return cache->nr instead of 0. So remove
such buggy and confusing check.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/swap_slots.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index 2f877e6f87d7..2a65a89b5b4d 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -258,7 +258,7 @@ void enable_swap_slots_cache(void)
/* called with swap slot cache's alloc lock held */
static int refill_swap_slots_cache(struct swap_slots_cache *cache)
{
- if (!use_swap_slot_cache || cache->nr)
+ if (!use_swap_slot_cache)
return 0;
cache->cur = 0;
--
2.23.0
