Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932377AbVLUQK4 (ORCPT ); Wed, 21 Dec 2005 11:10:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932378AbVLUQK4 (ORCPT ); Wed, 21 Dec 2005 11:10:56 -0500 Received: from inti.inf.utfsm.cl ([200.1.21.155]:53730 "EHLO inti.inf.utfsm.cl") by vger.kernel.org with ESMTP id S932377AbVLUQK4 (ORCPT ); Wed, 21 Dec 2005 11:10:56 -0500 Message-Id: <200512211610.jBLGAW05003489@laptop11.inf.utfsm.cl> To: Kyle Moffett cc: Trond Myklebust , Peter Williams , Ingo Molnar , Con Kolivas , Linux Kernel Mailing List Subject: Re: [PATCH] sched: Fix adverse effects of NFS client on interactive response In-Reply-To: Message from Kyle Moffett of "Wed, 21 Dec 2005 08:36:45 CDT." <962C9716-6F84-477B-8B2A-FA771C21CDE8@mac.com> X-Mailer: MH-E 7.4.2; nmh 1.1; XEmacs 21.4 (patch 18) Date: Wed, 21 Dec 2005 13:10:32 -0300 From: Horst von Brand X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0b5 (inti.inf.utfsm.cl [200.1.19.1]); Wed, 21 Dec 2005 13:10:34 -0300 (CLST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1196 Lines: 23 Kyle Moffett wrote: > On Dec 21, 2005, at 08:21, Trond Myklebust wrote: > > ...and if you stick in a faster server?... > > There is _NO_ fundamental difference between NFS and a local > > filesystem that warrants marking one as "interactive" and the other > > as "noninteractive". What you are basically saying is that all I/O > > should be marked as TASK_NONINTERACTIVE. > Uhh, what part of disk/NFS/filesystem access is "interactive"? Which > of those sleeps directly involve responding to user-interface events? And if it is a user waiting for the data to display? Can't distinguish that so easily from the compiler waiting for something to do... -- Dr. Horst H. von Brand User #22616 counter.li.org Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/