From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757251AbZBFJnU (ORCPT ); Fri, 6 Feb 2009 04:43:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753161AbZBFJnB (ORCPT ); Fri, 6 Feb 2009 04:43:01 -0500 Received: from fg-out-1718.google.com ([72.14.220.158]:45213 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752278AbZBFJnA (ORCPT ); Fri, 6 Feb 2009 04:43:00 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=kxvwYh/Q2J8hzUVxJ3adSjhxJdXKB6qZglWUX3R5QOJGv/CIF6YGFZOklNUt6V04lt WivCg5vtmOQlHWEC5WGrFLu36v+Zb57nwdbBtp7pyJVIZm7aC5N2SRuNkmOecOlOFWNr ImMkFm0ApQdf9Kt5Gd5k9Hsn11f9agmRnmKHQ= Date: Fri, 6 Feb 2009 09:42:53 +0000 From: Jarek Poplawski To: David Miller Cc: herbert@gondor.apana.org.au, zbr@ioremap.net, 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 Message-ID: <20090206094253.GB4879@ff.dom.local> References: <20090203094108.GA4639@ff.dom.local> <20090205.235258.257422341.davem@davemloft.net> <20090206091034.GA4879@ff.dom.local> <20090206.011722.41272682.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090206.011722.41272682.davem@davemloft.net> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 06, 2009 at 01:17:22AM -0800, David Miller wrote: ... > And all I'm saying is that since the page allocator provides that > facility, and using pages solves all of the splice() et al. problems, > building something extremely simple on top of the page allocator seems > to be a good way to go. This all is absolutely right if we can afford it: more simple - more memory wasted. I hope you're right, but on the other hand, people don't use slob by default. Jarek P.