1 files changed, 1 insertions, 1 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index dcd90c891d8e..f756a202d5d5 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3175,7 +3175,7 @@ static unsigned long balance_pgdat(pg_data_t *pgdat, int order,
                  */
                 if (waitqueue_active(&pgdat->pfmemalloc_wait) &&
                                 pfmemalloc_watermark_ok(pgdat))
-                        wake_up(&pgdat->pfmemalloc_wait);
+                        wake_up_all(&pgdat->pfmemalloc_wait);
 
                 /*
                  * Fragmentation may mean that the system cannot be rebalanced