From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Yang Yingliang <yangyingliang@huawei.com>, netdev@vger.kernel.org
Cc: davem@davemloft.net, eric.dumazet@gmail.com
Subject: Re: [PATCH RFC] net: decrease the length of backlog queue immediately after it's detached from sk
Date: Wed, 30 Mar 2016 15:56:22 +0300 [thread overview]
Message-ID: <56FBCCF6.80203@cogentembedded.com> (raw)
In-Reply-To: <1459315001-3448-1-git-send-email-yangyingliang@huawei.com>
Hello.
On 3/30/2016 8:16 AM, Yang Yingliang wrote:
> When task A hold the sk owned in tcp_sendmsg, if lots of packets
> arrive and the packets will be added to backlog queue. The packets
> will be handled in release_sock called from tcp_sendmsg. When the
> sk_backlog is removed from sk, the length will not decrease until
> all the packets in backlog queue are handled. This may leads to the
> new packets be dropped because the lenth is too big. So set the
> lenth to 0 immediately after it's detached from sk.
Length?
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
[...]
MBR, Sergei
next prev parent reply other threads:[~2016-03-30 12:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-30 5:16 [PATCH RFC] net: decrease the length of backlog queue immediately after it's detached from sk Yang Yingliang
2016-03-30 5:25 ` Eric Dumazet
2016-03-30 5:34 ` Eric Dumazet
2016-03-30 5:56 ` Yang Yingliang
2016-03-30 13:47 ` Eric Dumazet
2016-04-07 5:59 ` Yang Yingliang
2016-04-07 10:21 ` Eric Dumazet
2016-04-07 14:51 ` Eric Dumazet
2016-04-08 11:18 ` Yang Yingliang
2016-04-08 14:44 ` Eric Dumazet
2016-04-08 16:53 ` David Miller
2016-04-08 17:04 ` Eric Dumazet
2016-04-11 14:42 ` Yang Yingliang
2016-04-11 11:57 ` Yang Yingliang
2016-04-11 12:13 ` Eric Dumazet
2016-04-12 2:59 ` Yang Yingliang
2016-04-12 12:31 ` Yang Yingliang
2016-04-13 2:42 ` Eric Dumazet
2016-03-30 5:38 ` Yang Yingliang
2016-03-30 12:56 ` Sergei Shtylyov [this message]
2016-04-07 6:01 ` Yang Yingliang
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