From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753972AbYAOIoo (ORCPT ); Tue, 15 Jan 2008 03:44:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751283AbYAOIog (ORCPT ); Tue, 15 Jan 2008 03:44:36 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:45422 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751198AbYAOIog (ORCPT ); Tue, 15 Jan 2008 03:44:36 -0500 Date: Tue, 15 Jan 2008 09:44:17 +0100 From: Ingo Molnar To: "Huang, Ying" Cc: akpm@linux-foundation.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: [PATCH -mm 0/3] i386 boot: replace boot_ioremap with enhanced bt_ioremap Message-ID: <20080115084417.GA16449@elte.hu> References: <1200375902.3505.29.camel@caritas-dev.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1200375902.3505.29.camel@caritas-dev.intel.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Huang, Ying wrote: > This patchset replaces boot_ioremap with a enhanced version of > bt_ioremap and renames the bt_ioremap to early_ioremap. This reduces > 12k from .init.data segment and increases the size of memory that can > be re-mapped before paging_init to 64k. in latest x86.git#mm there's an early_ioremap() introduced as part of the PAT series - available on both 32-bit and 64-bit. Could you take a look at it and use that if it's OK for your purposes? Ingo