From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266058AbUAQPi2 (ORCPT ); Sat, 17 Jan 2004 10:38:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266059AbUAQPhs (ORCPT ); Sat, 17 Jan 2004 10:37:48 -0500 Received: from mail-09.iinet.net.au ([203.59.3.41]:15799 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S266058AbUAQPgk (ORCPT ); Sat, 17 Jan 2004 10:36:40 -0500 Message-ID: <400954E1.2050807@cyberone.com.au> Date: Sun, 18 Jan 2004 02:29:37 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030827 Debian/1.4-3 X-Accept-Language: en MIME-Version: 1.0 To: Bill Davidsen CC: Valdis.Kletnieks@vt.edu, Pavel Machek , kernel list Subject: Re: sched-idle and disk-priorities for 2.6.X References: Your message of "Fri, 16 Jan 2004 19:10:47 +0100." <20040116181047.GA1896@elf.ucw.cz> <200401161937.i0GJbJmv003365@turing-police.cc.vt.edu> <400953B9.3090900@tmr.com> In-Reply-To: <400953B9.3090900@tmr.com> 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 Bill Davidsen wrote: > Valdis.Kletnieks@vt.edu wrote: > >> A better bet would be a patch that allowed you to set the maximum RSS >> size for >> the process so it can basically thrash itself while leaving enough >> memory for >> everybody else (and yes, I *know* how this can be self-defeating if the >> thrashing app then increases the total I/O consumed to be higher than >> the I/O >> bandwidth available - the point is that it's probably the high RSS >> value for >> his application causing OTHER things to thrash that's the root cause >> of his >> performance problem). > > > Or you could use "ulimit -m" to set the RSS, of course. I don't think that would do anything with 2.6 :P