diff --git a/mm/page_ext.c b/mm/page_ext.c
index 714ce79256c5..32f18911deda 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -406,6 +406,7 @@ void __init page_ext_init(void)
 				continue;
 			if (init_section_page_ext(pfn, nid))
 				goto oom;
+			cond_resched();
 		}
 	}
 	hotplug_memory_notifier(page_ext_callback, 0);