diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fea50b0..822ce86 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -857,7 +857,6 @@
 {
 	int migratetype = 0;
 	int batch_free = 0;
-	int to_free = count;
 	unsigned long nr_scanned;
 	bool isolated_pageblocks;
 
@@ -867,7 +866,7 @@
 	if (nr_scanned)
 		__mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned);
 
-	while (to_free) {
+	while (count) {
 		struct page *page;
 		struct list_head *list;
 
@@ -887,7 +886,7 @@
 
 		/* This is the only non-empty list. Free them all. */
 		if (batch_free == MIGRATE_PCPTYPES)
-			batch_free = to_free;
+			batch_free = count;
 
 		do {
 			int mt;	/* migratetype of the to-be-freed page */
@@ -905,7 +904,7 @@
 
 			__free_one_page(page, page_to_pfn(page), zone, 0, mt);
 			trace_mm_page_pcpu_drain(page, 0, mt);
-		} while (--to_free && --batch_free && !list_empty(list));
+		} while (--count && --batch_free && !list_empty(list));
 	}
 	spin_unlock(&zone->lock);
 }