Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756031Ab3CFVtS (ORCPT ); Wed, 6 Mar 2013 16:49:18 -0500 Received: from mga14.intel.com ([143.182.124.37]:9507 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752847Ab3CFVtR (ORCPT ); Wed, 6 Mar 2013 16:49:17 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,798,1355126400"; d="scan'208";a="209981487" Message-ID: <5137B9DB.6000605@linux.intel.com> Date: Wed, 06 Mar 2013 13:49:15 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130219 Thunderbird/17.0.3 MIME-Version: 1.0 To: Yinghai Lu CC: Henrik Rydberg , Linus Torvalds , Linux Kernel Mailing List Subject: Re: Linux 3.9-rc1 References: <20130306080642.GA535@polaris.bitmath.org> <51370990.5040508@linux.intel.com> <20130306100743.GA407@polaris.bitmath.org> <20130306193612.GA513@polaris.bitmath.org> <51379A4F.4020200@linux.intel.com> <20130306195457.GA449@polaris.bitmath.org> <20130306204500.GA335@polaris.bitmath.org> <5137AE06.8060200@linux.intel.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 848 Lines: 25 On 03/06/2013 01:33 PM, Yinghai Lu wrote: > On Wed, Mar 6, 2013 at 12:58 PM, H. Peter Anvin wrote: > >> Excellent. Yinghai, can you write up the patch with a proper >> description and I'll put it into x86/urgent. > > I made it more robust: make sure real_end have 8M below it. > Please check attached one. > Sigh. This is why "keep the page tables together" is fundamentally the wrong strategy. 8M means that we won't even be able to boot on machines with less than 16M or so of RAM... I'm not sure if anyone still cares, but that is a pretty aggressive heuristic. -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/