Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965475AbXFFX2Q (ORCPT ); Wed, 6 Jun 2007 19:28:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935714AbXFFX2A (ORCPT ); Wed, 6 Jun 2007 19:28:00 -0400 Received: from mga03.intel.com ([143.182.124.21]:19036 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935667AbXFFX17 (ORCPT ); Wed, 6 Jun 2007 19:27:59 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.16,390,1175497200"; d="scan'208";a="236413904" From: Jesse Barnes To: Justin Piszcz Subject: Re: [PATCH] trim memory not covered by WB MTRRs Date: Wed, 6 Jun 2007 16:27:46 -0700 User-Agent: KMail/1.9.6 Cc: Andi Kleen , linux-kernel@vger.kernel.org, "Eric W. Biederman" References: <200706061229.24486.jesse.barnes@intel.com> <200706061620.10627.jesse.barnes@intel.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200706061627.46421.jesse.barnes@intel.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1147 Lines: 29 On Wednesday, June 6, 2007 4:24 pm Justin Piszcz wrote: > > The mem= approach though looks slightly off, but I haven't looked > > at x86_64's mem= handling to see why. From a high level though, > > adjusting end_pfn is the right thing to do, since theoretically > > mem= could choose to make holes in your low memory and keep your > > high memory in the allocation pools (though it's not generally > > implemented this way). > > > > Jesse > > Ahh, ok! Sounds great, I will keep running the kernel with your > patch without mem= and let you know if I see any issues. > > Chances of getting this into 2.6.22-rc5? I'm not sure it's appropriate for -rc5 since it mucks around with some early boot ordering, but I'll leave that to Andi, since it does address some real bugs people have been seeing. Can we add your "Tested-by: Justin Piszcz " to the patch? :) Thanks, Jesse - 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/