netdev - Re: TCP transmit performance regression

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Message-ID: <1341550714.3265.44.camel@edumazet-glaptop>
Date:	Fri, 06 Jul 2012 06:58:34 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Ming Lei <tom.leiming@...il.com>
Cc:	Network Development <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>
Subject: Re: TCP transmit performance regression

On Fri, 2012-07-06 at 08:45 +0800, Ming Lei wrote:

> Unfortunately, the patch still hasn't any improvement on the transmit
> performance of beagle-xm.

Ah yes, I need to change usbnet as well to be able to fully recycle the
big skbs allocated in turbo mode.

Right now they are constantly allocated/freed and this sucks if SLAB
wants to check poison bytes in debug mode.

Thanks


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