Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965065AbXFFXQP (ORCPT ); Wed, 6 Jun 2007 19:16:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935862AbXFFXPz (ORCPT ); Wed, 6 Jun 2007 19:15:55 -0400 Received: from lucidpixels.com ([75.144.35.66]:43184 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935874AbXFFXPy (ORCPT ); Wed, 6 Jun 2007 19:15:54 -0400 Date: Wed, 6 Jun 2007 19:15:53 -0400 (EDT) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: Randy Dunlap cc: Jesse Barnes , Andi Kleen , linux-kernel@vger.kernel.org, "Eric W. Biederman" Subject: Re: [PATCH] trim memory not covered by WB MTRRs In-Reply-To: <20070606161103.f8e3b253.randy.dunlap@oracle.com> Message-ID: References: <200706061229.24486.jesse.barnes@intel.com> <200706061524.52628.jesse.barnes@intel.com> <200706061528.44070.jesse.barnes@intel.com> <20070606153737.2c9da784.randy.dunlap@oracle.com> <20070606161103.f8e3b253.randy.dunlap@oracle.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1075 Lines: 48 On Wed, 6 Jun 2007, Randy Dunlap wrote: > On Wed, 6 Jun 2007 18:54:37 -0400 (EDT) Justin Piszcz wrote: > >> Hm, not sure if it was from the patch or what but I ran this: >> >> 1. swapoff -a >> 2. ./eatmem >> > > You usually have to access the allocated memory, like: > > *d = 1.0; > > for it to actually be allocated (AFAIK). > >> } >> >> return 0; >> } >> >> Any idea why the OOM killer can or does not kill it? > > What are the values of /proc/sys/vm/overcommit* ? > > See Documentation/vm/overcommit-accounting . They should be the defaults as I do not change them: p34:~# find /proc/|grep -i overcommit /proc/sys/vm/overcommit_memory /proc/sys/vm/overcommit_ratio find: /proc/5128: No such file or directory p34:~# cat /proc/sys/vm/overcommit_memory 0 p34:~# cat /proc/sys/vm/overcommit_ratio 50 p34:~# Comments? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/