Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936294AbXFFW1L (ORCPT ); Wed, 6 Jun 2007 18:27:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934646AbXFFW04 (ORCPT ); Wed, 6 Jun 2007 18:26:56 -0400 Received: from lucidpixels.com ([75.144.35.66]:43913 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763548AbXFFW04 (ORCPT ); Wed, 6 Jun 2007 18:26:56 -0400 Date: Wed, 6 Jun 2007 18:26:55 -0400 (EDT) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: Jesse Barnes cc: Andi Kleen , linux-kernel@vger.kernel.org, "Eric W. Biederman" Subject: Re: [PATCH] trim memory not covered by WB MTRRs In-Reply-To: <200706061524.52628.jesse.barnes@intel.com> Message-ID: References: <200706061229.24486.jesse.barnes@intel.com> <200706061505.11741.jesse.barnes@intel.com> <200706061524.52628.jesse.barnes@intel.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: 1372 Lines: 37 On Wed, 6 Jun 2007, Jesse Barnes wrote: > On Wednesday, June 6, 2007 3:13 pm Justin Piszcz wrote: >> On Wed, 6 Jun 2007, Jesse Barnes wrote: >>> On Wednesday, June 6, 2007 3:03 pm Justin Piszcz wrote: >>>> Mem: 8039620k total, 7936472k used, 103148k free, 708k >>>> buffers Mem: 8039608k total, 969380k used, 7070228k free, >>>> 1232k buffers >>>> >>>> I am curious, why does the patch != the mem=8832M? >>> >>> I'm not sure... can you post your e820 map from boot and the >>> contents of /proc/mtrr? Maybe my patch is trimming off a few too >>> many pages, or maybe 8832M isn't quite right and actually ends up >>> leaving you with a few uncached pages. >>> >>> Jesse >> >> Unless you know of some other way I can capture the output, it only >> starts showing the dmesg from [50..] onward. > > Did you boot the kernel with the 'debug' option? Maybe your dmesg > buffer is too small (there's a config option for that iirc). > > Jesse > Nope, I booted with only netconsole= options. I have a lot of HW in the box and I guess the buffer is too small. Not sure where to change it in the kernel. Looking.. - 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/