From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: broken VM in 2.4.10-pre9 Date: Wed, 19 Sep 2001 23:30:41 +0100 (BST) In-Reply-To: <878A2048A35CD141AD5FC92C6B776E4907B7A5@xchgind02.nsisw.com> from "Rob Fuller" at Sep 19, 2001 05:15:21 PM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: owner-linux-mm@kvack.org Return-Path: To: Rob Fuller Cc: "David S. Miller" , ebiederm@xmission.com, alan@lxorguk.ukuu.org.uk, phillips@bonn-fries.net, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: > "One argument for reverse mappings is distributed shared memory or > distributed file systems and their interaction with memory mapped files. > For example, a distributed file system may need to invalidate a specific > page of a file that may be mapped multiple times on a node." Wouldn't it be better for the file system itself to be doing that work. Also do real world file systems that actually perform usably do this or just zap the cached mappings like OpenGFS does. Alan -- 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/