From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759560AbYEYUJU (ORCPT ); Sun, 25 May 2008 16:09:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757636AbYEYUJG (ORCPT ); Sun, 25 May 2008 16:09:06 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:42984 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757573AbYEYUJF (ORCPT ); Sun, 25 May 2008 16:09:05 -0400 Date: Sun, 25 May 2008 20:55:32 +0100 From: Alan Cox To: Andi Kleen Cc: Miquel van Smoorenburg , Andi Kleen , Glauber Costa , linux-kernel@vger.kernel.org, linux-mm@kvack.org, andi-suse@firstfloor.org Subject: Re: 2.6.26: x86/kernel/pci_dma.c: gfp |= __GFP_NORETRY ? Message-ID: <20080525205532.3ed5e478@core> In-Reply-To: <20080525163539.GA8405@one.firstfloor.org> References: <20080521113028.GA24632@xs4all.net> <48341A57.1030505@redhat.com> <20080522084736.GC31727@one.firstfloor.org> <1211484343.30678.15.camel@localhost.localdomain> <1211657898.25661.2.camel@localhost.localdomain> <20080525163539.GA8405@one.firstfloor.org> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 25 May 2008 18:35:39 +0200 Andi Kleen wrote: > > So how about linux-2.6.26-gfp-no-oom.patch (see previous mail) for > > 2.6.26 > > Changing the gfp once globally like you did is not right, because > the different fallback cases have to be handled differently > (see the different cases I discussed in my earlier mail) > > Especially the 16MB zone allocation should never trigger the OOM killer. That depends how much memory you have. Alan