diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6d30e91..fc32aa8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4891,9 +4891,11 @@
 				NUMA_ZONELIST_ORDER_LEN);
 			user_zonelist_order = oldval;
 		} else if (oldval != user_zonelist_order) {
+			mem_hotplug_begin();
 			mutex_lock(&zonelists_mutex);
 			build_all_zonelists(NULL, NULL);
 			mutex_unlock(&zonelists_mutex);
+			mem_hotplug_done();
 		}
 	}
 out: