From 92d6f176fdcce1a9c22a59d754c924168fdf2ce4 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Fri, 2 Oct 2015 11:43:38 -0700
Subject: [PATCH] tcp/dccp: add a reschedule point in inet_csk_listen_stop()
If a listener with thousands of children in accept queue
is dismantled, it can take a while to close all of them.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/inet_connection_sock.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 5f6e31a4aeaeda..89eedfbd4ad533 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -809,6 +809,7 @@ void inet_csk_listen_stop(struct sock *sk)
sock_put(child);
reqsk_put(req);
+ cond_resched();
}
if (queue->fastopenq.rskq_rst_head) {
/* Free all the reqs queued in rskq_rst_head. */
--
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