diff --git a/mm/swapfile.c b/mm/swapfile.c
index 057e6907bf7b..f3b2d694a155 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1008,6 +1008,7 @@ start_over:
 			goto check_out;
 		pr_debug("scan_swap_map of si %d failed to find offset\n",
 			si->type);
+		cond_resched();
 
 		spin_lock(&swap_avail_lock);
 nextsi: