Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757125AbYHHBW5 (ORCPT ); Thu, 7 Aug 2008 21:22:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752673AbYHHBWu (ORCPT ); Thu, 7 Aug 2008 21:22:50 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44500 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752120AbYHHBWt (ORCPT ); Thu, 7 Aug 2008 21:22:49 -0400 Message-ID: <489B9F17.6000701@kernel.org> Date: Thu, 07 Aug 2008 18:19:19 -0700 From: "H. Peter Anvin" Organization: Linux Kernel Organization, Inc. User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Zachary Amsden CC: Jeremy Fitzhardinge , Alok Kataria , "torvalds@linux-foundation.org" , Ingo Molnar , the arch/x86 maintainers , LKML Subject: Re: [PATCH]Fix broken VMI in 2.6.27-rc.. References: <1218136365.23770.52.camel@alok-dev1> <489B6710.9000604@kernel.org> <1218144438.20178.336.camel@bodhitayantram.eng.vmware.com> <489B836A.3050209@goop.org> <489B84EF.6050009@kernel.org> <489B8948.6060003@goop.org> <489B8A68.10900@kernel.org> <489B8EF4.1030105@goop.org> <1218158045.20178.394.camel@bodhitayantram.eng.vmware.com> In-Reply-To: <1218158045.20178.394.camel@bodhitayantram.eng.vmware.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 924 Lines: 22 Zachary Amsden wrote: > > Using my interplanetary ideas, linking the fixmap at runtime would allow > optimal placement of the fixmap, any hypervisor areas, vmalloc, and > pkmap space. That might allow one to increase the amount of lowmem > available for direct mapping depending on some platform variables such > as hypervisor reserved space, physical memory size, APIC present.. those > aren't known until boot time. Actually, NCPUs is a good one, since we > require atomic kmap space dependent on NCPUs, which could be given back > to linear memory map. > > That might actually be more worthwhile than link time fixed addresses. > Yeah, but that's a huge project. -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/