From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753098AbYIMRDe (ORCPT ); Sat, 13 Sep 2008 13:03:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751989AbYIMRDZ (ORCPT ); Sat, 13 Sep 2008 13:03:25 -0400 Received: from gw.goop.org ([64.81.55.164]:56142 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751740AbYIMRDY (ORCPT ); Sat, 13 Sep 2008 13:03:24 -0400 Message-ID: <48CBF25B.5030107@goop.org> Date: Sat, 13 Sep 2008 10:03:23 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Venkatesh Pallipadi CC: arjan@linux.intel.com, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com, andi@firstfloor.org, linux-kernel@vger.kernel.org, Suresh Siddha Subject: Re: [patch 1/2] x86: track memtype for RAM in page struct References: <20080913000003.732756000@linux-os.sc.intel.com> <20080913000051.819383000@linux-os.sc.intel.com> In-Reply-To: <20080913000051.819383000@linux-os.sc.intel.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Venkatesh Pallipadi wrote: > From: Suresh Siddha > Subject: [patch 1/2] x86: track memtype for RAM in page struct > > Track the memtype for RAM pages in page struct instead of using the memtype > list. This avoids the explosion in the number of entries in memtype list > (of the order of 20,000 with AGP) and makes the PAT tracking simpler. We are > using PG_arch_1 bit in page->flags. > Please define PG_arch_1 a proper name so that its easy to tell its being used just by looking at page-flags.h. J