--- a/mm/vmscan.c.orig	2016-11-30 21:52:58.314895320 +0300
+++ b/mm/vmscan.c	2016-11-30 21:53:29.502895320 +0300
@@ -2352,6 +2352,7 @@
 				nr_reclaimed += shrink_list(lru, nr_to_scan,
 							    lruvec, sc);
 			}
+			cond_resched();
 		}
 
 		if (nr_reclaimed < nr_to_reclaim || scan_adjusted)