From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267535AbUHEBVV (ORCPT ); Wed, 4 Aug 2004 21:21:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267536AbUHEBVV (ORCPT ); Wed, 4 Aug 2004 21:21:21 -0400 Received: from smtp104.mail.sc5.yahoo.com ([66.163.169.223]:23886 "HELO smtp104.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S267535AbUHEBVT (ORCPT ); Wed, 4 Aug 2004 21:21:19 -0400 Message-ID: <41118B87.3080604@yahoo.com.au> Date: Thu, 05 Aug 2004 11:21:11 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.1) Gecko/20040726 Debian/1.7.1-4 X-Accept-Language: en MIME-Version: 1.0 To: bert hubert CC: Con Kolivas , Andrew Morton , linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: 2.6.8-rc2-mm2 References: <20040802015527.49088944.akpm@osdl.org> <410E3CAF.6080305@kolivas.org> <410F3423.3020409@yahoo.com.au> <41109FCC.4070906@yahoo.com.au> <4110BB88.3030400@yahoo.com.au> <20040804114232.GA23285@outpost.ds9a.nl> In-Reply-To: <20040804114232.GA23285@outpost.ds9a.nl> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org bert hubert wrote: >On Wed, Aug 04, 2004 at 08:33:44PM +1000, Nick Piggin wrote: > > >>>Well duh... disable interactivity and interactivity is bad. What's the >>>problem? It's not meant to be used on a desktop in that way. >>> >>Well why would you want to disable it then? >> > >When not on a desktop of course - most servers don't care about X >interactivity but do care a lot about 'nice', and would not want to grant a >process the CPU (unfairly) longer to satisfy the human need for snappy >responses. > > Fairness is a pretty basic property though, and should not be dropped lightly. Even on the desktop, unfairness could be explicitly wrong for a small number of users, while also opening you up to "implicit" corner cases. As far as interactivity goes maybe it can be disregarded on servers, maybe it can't. What about multi user servers? Does it only apply to X interactivity? Then how about multi user desktops? Maybe not a big deal. Fairness should be fundamental though (IMO).