Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936497AbXFFWeW (ORCPT ); Wed, 6 Jun 2007 18:34:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S936479AbXFFWbN (ORCPT ); Wed, 6 Jun 2007 18:31:13 -0400 Received: from lucidpixels.com ([75.144.35.66]:50958 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936471AbXFFWbL (ORCPT ); Wed, 6 Jun 2007 18:31:11 -0400 Date: Wed, 6 Jun 2007 18:31:10 -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: <200706061528.44070.jesse.barnes@intel.com> Message-ID: References: <200706061229.24486.jesse.barnes@intel.com> <200706061524.52628.jesse.barnes@intel.com> <200706061528.44070.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: 1256 Lines: 47 On Wed, 6 Jun 2007, Jesse Barnes wrote: > On Wednesday, June 6, 2007 3:26 pm Justin Piszcz wrote: >> 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.. > > It's called "kernel log buffer size" and it's in "General setup". > > Jesse > I was reviewing some OLD mailing list archives then! -------------- Per: http://www.edlug.ed.ac.uk/archive/Aug2003/msg00270.html The kernel has a cyclic buffer of length LOG_BUF_LEN (4096, since 1.3.54: 8192, since 2.1.113: 16384; in recent kernels the size can be set at compile time) in which messages given as argument to the kernel function printk() are stored (regardless of their loglevel). So it doesn't look like you can without recompiling... Bruce -------------- Getting you the E820 memory map in a few moments. Changed from 15 -> 16. | | (16) Kernel log buffer size (16 => 64KB, 17 => 128KB) Justin. - 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/