netdev - Re: [PATCH v2 net-next] tcp: set SOCK

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Message-ID: <1431659228.27831.89.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 14 May 2015 20:07:08 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	jbaron@...mai.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2 net-next] tcp: set SOCK_NOSPACE under memory pressure

On Sat, 2015-05-09 at 17:38 -0400, David Miller wrote:
> Applied, thanks a lot for adding so much information to the commit
> message.
> --

When doing more tests with this stuff, I found we could still have
hangs, because a TCP socket can end up having no skb in its write queue.

We need to allow one skb (this can be 2KB) to keep the logic being ACK
driven.




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