diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f496791..a873e61 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1088,8 +1088,10 @@
 		pset = per_cpu_ptr(zone->pageset, cpu);
 
 		pcp = &pset->pcp;
-		free_pcppages_bulk(zone, pcp->count, pcp);
-		pcp->count = 0;
+		if (pcp->count) {
+			free_pcppages_bulk(zone, pcp->count, pcp);
+			pcp->count = 0;
+		}
 		local_irq_restore(flags);
 	}
 }