From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1425573AbWLHPry (ORCPT ); Fri, 8 Dec 2006 10:47:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1425579AbWLHPry (ORCPT ); Fri, 8 Dec 2006 10:47:54 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:60920 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1425573AbWLHPry (ORCPT ); Fri, 8 Dec 2006 10:47:54 -0500 Date: Fri, 8 Dec 2006 15:55:37 +0000 From: Alan To: Al Boldi Cc: linux-kernel@vger.kernel.org Subject: Re: additional oom-killer tuneable worth submitting? Message-ID: <20061208155537.6f19b7e9@localhost.localdomain> In-Reply-To: <200612081819.43991.a1426z@gawab.com> References: <200612081658.29338.a1426z@gawab.com> <20061208145605.1a8b0815@localhost.localdomain> <200612081819.43991.a1426z@gawab.com> X-Mailer: Sylpheed-Claws 2.6.0 (GTK+ 2.8.20; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > What I understood from Arjan is that the problem isn't swapspace, but rather > that shared-libs are implement via a COW trick, which always overcommits, no > matter what. The zero overcommit layer accounts address space not pages. > Are you saying there is some new no-overcommit functionality in 2.6.19, or > has this been there before? Red Hat Enterprise Linux for a very long time, got merged upstream a long long time ago to. Then got various fixes along the way. It's old functionality. Alan