From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754699AbZBDLOx (ORCPT ); Wed, 4 Feb 2009 06:14:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751711AbZBDLOp (ORCPT ); Wed, 4 Feb 2009 06:14:45 -0500 Received: from gate1.ipvision.dk ([217.195.186.3]:58154 "EHLO gate1.ipvision.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751562AbZBDLOo (ORCPT ); Wed, 4 Feb 2009 06:14:44 -0500 X-Greylist: delayed 5564 seconds by postgrey-1.27 at vger.kernel.org; Wed, 04 Feb 2009 06:14:44 EST To: David Miller Cc: herbert@gondor.apana.org.au, zbr@ioremap.net, jarkao2@gmail.com, w@1wt.eu, dada1@cosmosbay.com, ben@zeus.com, mingo@elte.hu, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, jens.axboe@oracle.com Subject: Re: [PATCH v2] tcp: splice as many packets as possible at once References: <20090203094108.GA4639@ff.dom.local> <20090203111012.GA16878@ioremap.net> <20090203112431.GA8746@gondor.apana.org.au> <20090203.164630.173080148.davem@davemloft.net> From: Benny Amorsen Date: Wed, 04 Feb 2009 10:41:44 +0100 In-Reply-To: <20090203.164630.173080148.davem@davemloft.net> (David Miller's message of "Tue\, 03 Feb 2009 16\:46\:30 -0800 \(PST\)") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Spam-Score: -6.4 (------) X-Spam-Report: ALL_TRUSTED=-3.3, BAYES_00=-3.099 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org David Miller writes: > From: Herbert Xu >> Granted copying sucks, but this is really because the underlying >> hardware is badly designed. Also copying is way better than >> not receiving at all due to memory fragmentation. > > This scheme sounds very reasonable. Would it be possible to add a counter somewhere for this, or is that too expensive? /Benny