tcp: use limited socket backlog

Make tcp adapt to the limited socket backlog change.

Cc: "David S. Miller" <[email protected]>
Cc: Alexey Kuznetsov <[email protected]>
Cc: "Pekka Savola (ipv6)" <[email protected]>
Cc: Patrick McHardy <[email protected]>
Signed-off-by: Zhu Yi <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Zhu Yi 2010-03-04 18:01:41 +00:00 • committed by David S. Miller
commit 6b03a53a5a
2 changed files with 8 additions and 4 deletions

View file

@ -1740,8 +1740,10 @@ process:
if (!tcp_prequeue(sk, skb))
ret = tcp_v6_do_rcv(sk, skb);
}
} else
sk_add_backlog(sk, skb);
} else if (sk_add_backlog_limited(sk, skb)) {
bh_unlock_sock(sk);
goto discard_and_relse;
}
bh_unlock_sock(sk);
sock_put(sk);