diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5394731..157bb11 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2963,7 +2963,7 @@
 	classzone_idx = new_classzone_idx = pgdat->nr_zones - 1;
 	balanced_classzone_idx = classzone_idx;
 	for ( ; ; ) {
-		int ret;
+		bool ret;
 
 		/*
 		 * If the last balance_pgdat was unsuccessful it's unlikely a