From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 19 Sep 2001 18:52:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 19 Sep 2001 18:52:51 -0400 Received: from dsl092-013-071.sfo1.dsl.speakeasy.net ([66.92.13.71]:4994 "EHLO pelerin.serpentine.com") by vger.kernel.org with ESMTP id ; Wed, 19 Sep 2001 18:52:43 -0400 To: "Rob Fuller" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: broken VM in 2.4.10-pre9 In-Reply-To: <878A2048A35CD141AD5FC92C6B776E4907B7A5@xchgind02.nsisw.com> Keywords: phonetics, pseudomorph, hydrothermal From: "Bryan O'Sullivan" Date: 19 Sep 2001 15:51:45 -0700 In-Reply-To: <878A2048A35CD141AD5FC92C6B776E4907B7A5@xchgind02.nsisw.com> Message-ID: <878zfaiyke.fsf@pelerin.serpentine.com> User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Academic Rigor) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org r> I believe reverse mappings are an essential feature for memory r> mapped files in order for Linux to support sophisticated r> distributed file systems or distributed shared memory. You already have the needed mechanisms for memory-mapped files in the distributed FS case. Distributed shared memory is much less convincing, as DSM types have their heads irretrievably stuck up their ar^Hcademia. From: "Bryan O'Sullivan" Date: 19 Sep 2001 15:51:45 -0700 In-Reply-To: <878A2048A35CD141AD5FC92C6B776E4907B7A5@xchgind02.nsisw.com> Message-ID: <878zfaiyke.fsf@pelerin.serpentine.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org Return-Path: To: Rob Fuller Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: r> I believe reverse mappings are an essential feature for memory r> mapped files in order for Linux to support sophisticated r> distributed file systems or distributed shared memory. You already have the needed mechanisms for memory-mapped files in the distributed FS case. Distributed shared memory is much less convincing, as DSM types have their heads irretrievably stuck up their ar^Hcademia.