From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <ak@muc.de>
Subject: Re: netif_rx packet dumping
Date: Tue, 08 Mar 2005 18:00:49 +0100
Message-ID: <m1y8cykr7i.fsf@muc.de>
References: <20050303123811.4d934249@dxpl.pdx.osdl.net>
	<42278122.6000000@ev-en.org>
	<20050303133659.0d224e61.davem@davemloft.net>
	<42278554.2090902@ev-en.org>
	<20050303135718.2e1a0170.davem@davemloft.net>
	<422DC7CE.2040800@ev-en.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: shemminger@osdl.org, netdev@oss.sgi.com
To: Baruch Even <baruch@ev-en.org>
In-Reply-To: <422DC7CE.2040800@ev-en.org> (Baruch Even's message of "Tue, 08
 Mar 2005 15:42:06 +0000")
Sender: netdev-bounce@oss.sgi.com
Errors-to: netdev-bounce@oss.sgi.com
List-Id: netdev.vger.kernel.org

Baruch Even <baruch@ev-en.org> writes:
>
> I can squeeze the tcp_skb_cb to one pointer at the expense of extra
> work to remove a packet from the list (the other pointer is the prev
> pointer).

You could also use a xor list in theory. But I'm not sure it's worth it.
Increasing cb by 4 bytes shouldn't be a very big issue.

-Andi