From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264521AbUD2NoJ (ORCPT ); Thu, 29 Apr 2004 09:44:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264527AbUD2NoJ (ORCPT ); Thu, 29 Apr 2004 09:44:09 -0400 Received: from stat1.steeleye.com ([65.114.3.130]:17383 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S264521AbUD2NoG (ORCPT ); Thu, 29 Apr 2004 09:44:06 -0400 Subject: Re: [PATCH] rmap 18 i_mmap_nonlinear From: James Bottomley To: Hugh Dickins Cc: William Lee Irwin III , Rik van Riel , Andrew Morton , Rajesh Venkatasubramanian , Russell King , Linux Kernel In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-9) Date: 29 Apr 2004 08:43:35 -0500 Message-Id: <1083246218.1804.1.camel@mulgrave> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2004-04-29 at 01:10, Hugh Dickins wrote: > That's right, arm and parisc do handle them differently: currently > arm ignores i_mmap (and I think rmk was wondering a few months ago > whether that's actually correct, given that MAP_SHARED mappings > which can never become writable go in there - and that surprise is > itself a very good reason for combining them), and parisc... ah, > what it does in Linus' tree at present is about the same for both, > but there are some changes on the way. Actually, as I said before, parisc is reworking the cache flushing stuff in our tree. As things currently stand we've altered our map allocation so that we now treat i_mmap no differently from i_mmap_shared, so we'd be fine with merging them. James