Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758562AbYCVVFi (ORCPT ); Sat, 22 Mar 2008 17:05:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754068AbYCVVF2 (ORCPT ); Sat, 22 Mar 2008 17:05:28 -0400 Received: from terminus.zytor.com ([198.137.202.10]:45610 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753343AbYCVVF0 (ORCPT ); Sat, 22 Mar 2008 17:05:26 -0400 Message-ID: <47E57393.7060606@zytor.com> Date: Sat, 22 Mar 2008 14:01:07 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Arjan van de Ven CC: yhlu.kernel@gmail.com, yhlu.kernel.send@gmail.com, Andrew Morton , Ingo Molnar , kernel list Subject: Re: [PATCH] x86_64: early memtest to find bad ram References: <200803202358.33722.yhlu.kernel@gmail.com> <20080322134814.7258ff0c@laptopd505.fenrus.org> In-Reply-To: <20080322134814.7258ff0c@laptopd505.fenrus.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 727 Lines: 21 Arjan van de Ven wrote: > On Thu, 20 Mar 2008 23:58:33 -0700 > Yinghai Lu wrote: > >> do simple memtest after init_memory_mapping >> >> use find_e820_area_size to find all ram range that is not reserved. > > be careful, there's some special memory that e820 right now says is not reserved, > but still has bios data (the first 4Kb of memory come to mind) > Is that true even after Yinghai's changes? I have lost track of all the patches... -hpa -- 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/