diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c60605d..4aed338 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5666,6 +5666,7 @@
 		 */
 		required_movablecore =
 			roundup(required_movablecore, MAX_ORDER_NR_PAGES);
+		required_movablecore = min(totalpages, required_movablecore);
 		corepages = totalpages - required_movablecore;
 
 		required_kernelcore = max(required_kernelcore, corepages);