diff --git a/mm/vmscan.c b/mm/vmscan.c
index c712b946e4ff..85e95f445022 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1074,9 +1074,9 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
 {
 	unsigned long nr_taken = 0;
 	struct page *page;
-	unsigned long scan = 0;
+	unsigned long scan;
 
-	while (scan++ < nr_to_scan && !list_empty(src)) {
+	for (scan = 0; scan < nr_to_scan && !list_empty(src); scan++) {
 		struct list_head *target;
 		page = lru_to_page(src);
 		prefetchw_prev_lru_page(page, src, flags);