From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 27 Oct 2004 14:29:14 -0700 From: Andrew Morton Subject: Re: [PATCH] Re: news about IDE PIO HIGHMEM bug (was: Re: 2.6.9-mm1) Message-Id: <20041027142914.197c72ed.akpm@osdl.org> In-Reply-To: <417FCE4E.4080605@pobox.com> References: <58cb370e041027074676750027@mail.gmail.com> <417FBB6D.90401@pobox.com> <1246230000.1098892359@[10.10.2.4]> <1246750000.1098892883@[10.10.2.4]> <417FCE4E.4080605@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Jeff Garzik Cc: mbligh@aracnet.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, bzolnier@gmail.com, rddunlap@osdl.org, wli@holomorphy.com, axboe@suse.de List-ID: Jeff Garzik wrote: > > > However, pfn_to_page(page_to_pfn(page) + 1) might be safer. If rather slower. > > > Is this patch acceptable to everyone? Andrew? spose so. The scatterlist API is being a bit silly there. It might be worthwhile doing: #ifdef CONFIG_DISCONTIGMEM #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + n) #else #define nth_page(page,n) ((page)+(n)) #endif -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org