diff --git a/mm/gup.c b/mm/gup.c
index a21230569520..afce0bc47e70 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1329,7 +1329,6 @@ retry:
 		if (fatal_signal_pending(current))
 			break;
 
-		*locked = 1;
 		ret = down_read_killable(&mm->mmap_sem);
 		if (ret) {
 			BUG_ON(ret > 0);
@@ -1338,6 +1337,7 @@ retry:
 			break;
 		}
 
+		*locked = 1;
 		ret = __get_user_pages(tsk, mm, start, 1, flags | FOLL_TRIED,
 				       pages, NULL, locked);
 		if (!*locked) {