diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a9471b7..f0b28f9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -580,6 +580,9 @@ static void rt_check_expire(struct work_struct *work)
 		i = (i + 1) & rt_hash_mask;
 		rthp = &rt_hash_table[i].chain;
 
+		if (need_resched())
+			cond_resched();
+
 		if (*rthp == NULL)
 			continue;
 		spin_lock_bh(rt_hash_lock_addr(i));