Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756284Ab2JVVG4 (ORCPT ); Mon, 22 Oct 2012 17:06:56 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:52981 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756144Ab2JVVGy (ORCPT ); Mon, 22 Oct 2012 17:06:54 -0400 MIME-Version: 1.0 In-Reply-To: <5085B3F6.4060906@zytor.com> References: <903a3ead-98b5-4afa-88a4-3dc723895e82@blur> <50833F30.4020802@ti.com> <20121021041858.GA14809@jshin-Toonie> <50843627.4020103@ti.com> <20121021210633.GA14311@jshin-Toonie> <508467EE.4040807@ti.com> <20121022144020.GA14425@jshin-Toonie> <20121022183858.GA31185@jshin-Toonie> <5085ABEF.3060502@linux.intel.com> <5085B3F6.4060906@zytor.com> Date: Mon, 22 Oct 2012 14:06:53 -0700 X-Google-Sender-Auth: qHe_ozboBNRcibc3VuQa8iPuJDU Message-ID: Subject: Re: BUG: 1bbbbe7 (x86: Exclude E820_RESERVED regions...) PANIC on boot From: Yinghai Lu To: "H. Peter Anvin" Cc: "H. Peter Anvin" , Jacob Shin , Tom Rini , "linux-kernel@vger.kernel.org" , "stable@kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 816 Lines: 26 On Mon, Oct 22, 2012 at 2:00 PM, H. Peter Anvin wrote: > On 10/22/2012 01:50 PM, Yinghai Lu wrote: >>> >>> We should not map a partial page at the end of RAM; it is functionally >>> lost. >> >> Now we did not, we have max_low_pfn, and max_pfn to cap out end partial page. >> > > Well, it is not just end of RAM, which is where the entire current > implementation falls apart, obviously. > ok, I will fix that from memblock_x86_fill(). after we put the E820_RAM and E820_RESERVED_KERN in to memblock, do one trim in memblock.memory. Thanks Yinghai Lu -- 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/