From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: RE: TCP performance regression
Date: Mon, 11 Nov 2013 07:29:59 -0800
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Cc: Sujith Manoharan <sujith@msujith.org>, netdev@vger.kernel.org,
	Dave Taht <dave.taht@gmail.com>
To: David Laight <David.Laight@ACULAB.COM>
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On Mon, 2013-11-11 at 15:05 +0000, David Laight wrote:

> Or, maybe:
> 5) call skb_orphan() (I think that is the correct function) when transmit
>    packets are given to the hardware.

This is the worth possible solution, as it basically re-enables
bufferbloat again.

socket sk_wmem_queued should not be fooled, unless we have no other
choice.