Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 14 Oct 2002 21:13:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 14 Oct 2002 21:13:03 -0400 Received: from franka.aracnet.com ([216.99.193.44]:25555 "EHLO franka.aracnet.com") by vger.kernel.org with ESMTP id ; Mon, 14 Oct 2002 21:12:55 -0400 Date: Mon, 14 Oct 2002 18:16:36 -0700 From: "Martin J. Bligh" Reply-To: "Martin J. Bligh" To: William Lee Irwin III , john stultz cc: Matt , "Eric W. Biederman" , linux-kernel , linux-mm@kvack.org, LSE Tech , Andrew Morton , Michael Hohnbaum Subject: Re: [Lse-tech] Re: [rfc][patch] Memory Binding API v0.3 2.5.41 Message-ID: <2007963929.1034619395@[10.10.2.3]> In-Reply-To: <20021015010859.GM4488@holomorphy.com> References: <20021015010859.GM4488@holomorphy.com> X-Mailer: Mulberry/2.1.2 (Win32) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 958 Lines: 21 > MAP_NR_DENSE()-based zone-relative pfn to zone->zone_mem_map index > remapping is designed to handle this (and actually more severe > situations). The only constraint is that pfn's must be monotonically > increasing with ->zone_mem_map index. Some non-i386 architectures > virtually remap physical memory to provide the illusion of contiguity > of kernel virtual memory, but in a mature port (e.g. i386) there's high > risk of breaking numerous preexisting drivers. As long as you don't need a hole between 0 and 896Mb (s/896/ appropriate defines/) I don't see that would be a problem. I purged direct usage of mem_map already, and made people use the macro wrappers. Basically a "mini config_nonlinear". M. - 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/