From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265800AbUHSCvP (ORCPT ); Wed, 18 Aug 2004 22:51:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267893AbUHSCvP (ORCPT ); Wed, 18 Aug 2004 22:51:15 -0400 Received: from holomorphy.com ([207.189.100.168]:29884 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S267918AbUHSCvL (ORCPT ); Wed, 18 Aug 2004 22:51:11 -0400 Date: Wed, 18 Aug 2004 19:51:02 -0700 From: William Lee Irwin III To: "David S. Miller" Cc: pj@sgi.com, linux-kernel@vger.kernel.org Subject: Re: Does io_remap_page_range() take 5 or 6 args? Message-ID: <20040819025102.GZ11200@holomorphy.com> Mail-Followup-To: William Lee Irwin III , "David S. Miller" , pj@sgi.com, linux-kernel@vger.kernel.org References: <20040818135638.4326ca02.davem@redhat.com> <20040818210503.GG11200@holomorphy.com> <20040818143029.23db8740.davem@redhat.com> <20040818214026.GL11200@holomorphy.com> <20040818220001.GN11200@holomorphy.com> <20040818225915.GQ11200@holomorphy.com> <20040818161658.49aa8de3.davem@redhat.com> <20040818233324.GT11200@holomorphy.com> <20040819023848.GY11200@holomorphy.com> <20040818194313.385f4d2f.davem@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040818194313.385f4d2f.davem@redhat.com> User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 18 Aug 2004 19:38:48 -0700 William Lee Irwin III wrote: >> Oddly, the sparc64 case seems to be the most difficult one for the >> io_remap_page_range() sweep... On Wed, Aug 18, 2004 at 07:43:13PM -0700, David S. Miller wrote: > Oh yeah, that's due to the large TLB mapping support > isn't it? It could be ... most of the pain was centered around testing bits inside of offset & ~PAGE_MASK, which, when the physical address offset corresponds to is recovered from a pfn, are necessarily all zero. -- wli