Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757427AbYCVUvX (ORCPT ); Sat, 22 Mar 2008 16:51:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753225AbYCVUvQ (ORCPT ); Sat, 22 Mar 2008 16:51:16 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:50955 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753154AbYCVUvP (ORCPT ); Sat, 22 Mar 2008 16:51:15 -0400 Date: Sat, 22 Mar 2008 13:48:14 -0700 From: Arjan van de Ven To: yhlu.kernel@gmail.com Cc: yhlu.kernel.send@gmail.com, Andrew Morton , Ingo Molnar , "H. Peter Anvin" , kernel list Subject: Re: [PATCH] x86_64: early memtest to find bad ram Message-ID: <20080322134814.7258ff0c@laptopd505.fenrus.org> In-Reply-To: <200803202358.33722.yhlu.kernel@gmail.com> References: <200803202358.33722.yhlu.kernel@gmail.com> Organization: Intel X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.5; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 758 Lines: 21 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) -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/