From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757395AbYDAIil (ORCPT ); Tue, 1 Apr 2008 04:38:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753204AbYDAIic (ORCPT ); Tue, 1 Apr 2008 04:38:32 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:57948 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756264AbYDAIib (ORCPT ); Tue, 1 Apr 2008 04:38:31 -0400 Date: Tue, 01 Apr 2008 17:38:10 +0900 From: KOSAKI Motohiro To: Denys Vlasenko Subject: Re: OOM (HighMem) on linux 2.6.24.2 Cc: kosaki.motohiro@jp.fujitsu.com, Peter Zijlstra , Kevin Shanahan , linux-kernel@vger.kernel.org In-Reply-To: <200804011017.35352.vda.linux@googlemail.com> References: <1207025847.8514.675.camel@twins> <200804011017.35352.vda.linux@googlemail.com> Message-Id: <20080401173400.1711.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi > > > I kno that people routinely forget to do that, but > > > at least for purely paranoid reasons you are better > > > to run all daemons with setrlimit'ed memory size. > > > At least all daemons which you cannot reasonably > > > trust to be 100% leak-free and to have bounded > > > peak memory usage. > > > > Afaik we don't actually implement RLIMIT_RSS. > > I don't know, but the following definitely works for me: > > # softlimit -a 12000000 ./oom probably you restrict virtuan address space, not rss. but IMHO its restricsion can solve originaly problem. Thanks