From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261345AbVBGXnO (ORCPT ); Mon, 7 Feb 2005 18:43:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261343AbVBGXnO (ORCPT ); Mon, 7 Feb 2005 18:43:14 -0500 Received: from embeddededge.com ([209.113.146.155]:32524 "EHLO penguin.netx4.com") by vger.kernel.org with ESMTP id S261345AbVBGXnF (ORCPT ); Mon, 7 Feb 2005 18:43:05 -0500 In-Reply-To: <1107812101.7734.42.camel@gaston> References: <41FECA18.50609@nortelnetworks.com> <1107243398.4208.47.camel@laptopd505.fenrus.org> <41FFA21C.8060203@nortelnetworks.com> <1107273017.4208.132.camel@laptopd505.fenrus.org> <20050204203050.GA5889@dmt.cnet> <4203D793.1040604@nortel.com> <1107595148.30302.5.camel@gaston> <42077EE0.2060505@nortel.com> <1107812101.7734.42.camel@gaston> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit Cc: linuxppc64-dev , Arjan van de Ven , linuxppc-dev list , Chris Friesen , Linux Kernel list From: Dan Malek Subject: Re: question on symbol exports Date: Mon, 7 Feb 2005 18:42:24 -0500 To: Benjamin Herrenschmidt X-Mailer: Apple Mail (2.619.2) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Feb 7, 2005, at 4:35 PM, Benjamin Herrenschmidt wrote: > Interesting... more than no swap, you must also make sure you have no > r/w mmap'ed file (which are technically equivalent to swap). Yeah, I kinda had a similar thought. Just because you aren't swapping doesn't mean the VM subsystem isn't looking at dirty bits, too. It could potentially steal a page that it thinks can be replaced from either a zero-fill or reading again from persistent storage. -- Dan