Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757506AbXINVAV (ORCPT ); Fri, 14 Sep 2007 17:00:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753901AbXINVAJ (ORCPT ); Fri, 14 Sep 2007 17:00:09 -0400 Received: from gw.goop.org ([64.81.55.164]:33076 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752897AbXINVAH (ORCPT ); Fri, 14 Sep 2007 17:00:07 -0400 Message-ID: <46EAF652.9060405@goop.org> Date: Fri, 14 Sep 2007 14:00:02 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: "Keshavamurthy, Anil S" CC: akpm@osdl.org, Linux Kernel , suresh.b.siddha@intel.com Subject: Re: [patch] Fix BIOS-e820 end address References: <20070908205044.GA16419@askeshav-devel.jf.intel.com> In-Reply-To: <20070908205044.GA16419@askeshav-devel.jf.intel.com> X-Enigmail-Version: 0.95.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 858 Lines: 24 Keshavamurthy, Anil S wrote: > Subject: [patch] Fix BIOS-e820 end address > > --snip of boot message-- > BIOS-provided physical RAM map: > BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) > BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) > BIOS-e820: 0000000000100000 - 000000007fe8cc00 (usable) > ----end snip--- > > As you see from above the address 0000000000100000 is both > shown as reserved and usable which is confusing. > I think this is consistent with many other kernel interfaces (such as /proc/X/maps) where the end address is taken to be exclusive: [0xf0000, 0x100000). J - 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/