From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261727AbULOAS5 (ORCPT ); Tue, 14 Dec 2004 19:18:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261764AbULOARO (ORCPT ); Tue, 14 Dec 2004 19:17:14 -0500 Received: from smtp108.mail.sc5.yahoo.com ([66.163.170.6]:29583 "HELO smtp108.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S261789AbULNXag (ORCPT ); Tue, 14 Dec 2004 18:30:36 -0500 Subject: Re: [PATCH] fix spurious OOM kills From: Nick Piggin To: Andrea Arcangeli Cc: Martin =?iso-8859-2?Q?MOKREJ=A9?= , tglx@linutronix.de, Andrew Morton , piggin@cyberone.com.au, chris@tebibyte.org, marcelo.tosatti@cyclades.com, andrea@novell.com, LKML , linux-mm@kvack.org, Rik van Riel In-Reply-To: <20041214173858.GJ16322@dualathlon.random> References: <419F2AB4.30401@ribosome.natur.cuni.cz> <1100957349.2635.213.camel@thomas> <419FB4CD.7090601@ribosome.natur.cuni.cz> <1101037999.23692.5.camel@thomas> <41A08765.7030402@ribosome.natur.cuni.cz> <1101045469.23692.16.camel@thomas> <1101120922.19380.17.camel@tglx.tec.linutronix.de> <41A2E98E.7090109@ribosome.natur.cuni.cz> <1101205649.3888.6.camel@tglx.tec.linutronix.de> <41BF0F0D.4000408@ribosome.natur.cuni.cz> <20041214173858.GJ16322@dualathlon.random> Content-Type: text/plain; charset=UTF-8 Date: Wed, 15 Dec 2004 10:30:18 +1100 Message-Id: <1103067018.5420.37.camel@npiggin-nld.site> Mime-Version: 1.0 X-Mailer: Evolution 2.0.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2004-12-14 at 18:38 +0100, Andrea Arcangeli wrote: > On Tue, Dec 14, 2004 at 05:04:29PM +0100, Martin MOKREJŠ wrote: > > I see the machine a lot less responsive when it starts swapping > > compared to 2.6.10-rc2-mm3. For example, just moving mouse between > > windows takes some 10-12 seconds to fvwm2 to re-focus to another xterm > > window. > > I don't know exactly what's the issue here, but the oom fixes we > developed cannot change anything until you see the first printk in the > logs (the printk tells the admin the machine reached oom). > > So slowdowns during paging can be discussed separately from the oom > killer issues. There was another reported slowdown for 2.6.10-rc3 in another thread too. It is a bit odd because nothing much has changed in the scanner. Was there some swap-token (or can anyone think of any relevant) changes recently? Nick