From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764698AbXGNBxK (ORCPT ); Fri, 13 Jul 2007 21:53:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757644AbXGNBw7 (ORCPT ); Fri, 13 Jul 2007 21:52:59 -0400 Received: from qsrv03sl.mx.bigpond.com ([144.140.92.183]:45703 "EHLO qsrv03sl.mx.bigpond.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758049AbXGNBw6 (ORCPT ); Fri, 13 Jul 2007 21:52:58 -0400 Message-ID: <46981855.8040904@bigpond.net.au> Date: Sat, 14 Jul 2007 10:27:01 +1000 From: Peter Williams User-Agent: Thunderbird 2.0.0.4 (X11/20070613) MIME-Version: 1.0 To: Gene Heskett CC: Ingo Molnar , Gregory Haskins , jim.houston@ccur.com, joe.korty@ccur.com, rostedt@goodmis.org, tglx@linutronix.de, dwalker@mvista.com, David Bahi , Moiz Kohari , Sven Dietrich , dsaxena@plexity.net, williams@redhat.com, abogani@texware.it, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: Re: Forward port of latest RT patch (2.6.21.5-rt20) to 2.6.22 available References: <4695E5BB0200005A0002763E@mcclure.wal.novell.com> <20070712130958.GB17494@elte.hu> <46971ADC.3030700@bigpond.net.au> <200707130443.11356.gene.heskett@gmail.com> In-Reply-To: <200707130443.11356.gene.heskett@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH PLAIN at oaamta07sl.mx.bigpond.com from [58.170.68.8] using ID pwil3058@bigpond.net.au at Sat, 14 Jul 2007 00:27:30 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Gene Heskett wrote: > On Friday 13 July 2007, Peter Williams wrote: >> Ingo Molnar wrote: >>> * Gregory Haskins wrote: >>>> On Thu, 2007-07-12 at 14:07 +0200, Ingo Molnar wrote: >>>>> * Gregory Haskins wrote: >>>>>> Hi Ingo, Thomas, and the greater linux-rt community, >>>>>> >>>>>> I just wanted to let you guys know that our team has a port of >>>>>> the 21.5-rt20 patch for the 2.6.22 kernel available. [...] >>>>> great! We had the upstream -rt port to .22 in the works too, it was just >>>>> held up by the hpet breakage - which Thomas managed to fix earlier >>>>> today. I've released the 2.6.22.1-rt1 patch to the usual place: >>>>> >>>>> http://redhat.com/~mingo/realtime-preempt/ >>>> Thats awesome, Ingo! Thanks! Could you publish a broken out version >>>> as well? We found it extremely valuable to be able to bisect this >>>> beast while working on the 21-22 port. >>> we are working on something in this area :) Stay tuned ... >> I've just been reviewing these patches and have spotted an error in the >> file mm/slob.c at lines 500-501 whereby a non existent variable "c" is >> referenced. The attached patch is a proposed fix to the problem. > > Could this explain why 2.6.22.1-rt1 seems to use a lot of swap? I've been as > high as 570 megs into swap, currently at 286megs after doing a > swapoff --a;swapon -a about 8 hours ago. No. This problem would have caused the build to fail if slob was configured. Peter -- Peter Williams pwil3058@bigpond.net.au "Learning, n. The kind of ignorance distinguishing the studious." -- Ambrose Bierce