diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index cde6074..8a74a2a 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1616,7 +1616,7 @@
 {
 	int res = 0, eavail, timed_out = 0;
 	unsigned long flags;
-	long slack = 0;
+	u64 slack = 0;
 	wait_queue_t wait;
 	ktime_t expires, *to = NULL;