From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262190AbVDRUBQ (ORCPT ); Mon, 18 Apr 2005 16:01:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262191AbVDRUBP (ORCPT ); Mon, 18 Apr 2005 16:01:15 -0400 Received: from rrcs-24-227-247-8.sw.biz.rr.com ([24.227.247.8]:55972 "EHLO emachine.austin.ammasso.com") by vger.kernel.org with ESMTP id S262190AbVDRUBO (ORCPT ); Mon, 18 Apr 2005 16:01:14 -0400 Message-ID: <426411C2.5040703@ammasso.com> Date: Mon, 18 Apr 2005 15:00:02 -0500 From: Timur Tabi Organization: Ammasso User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041217 X-Accept-Language: en-us, en, en-gb MIME-Version: 1.0 To: Arjan van de Ven CC: Roland Dreier , Troy Benjegerdes , linux-kernel@vger.kernel.org, openib-general@openib.org Subject: Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation References: <200544159.Ahk9l0puXy39U6u6@topspin.com> <20050411142213.GC26127@kalmia.hozed.org> <52mzs51g5g.fsf@topspin.com> <4263DBBF.9040801@ammasso.com> <1113840973.6274.84.camel@laptopd505.fenrus.org> <4263DF70.2060702@ammasso.com> <1113853240.6274.99.camel@laptopd505.fenrus.org> In-Reply-To: <1113853240.6274.99.camel@laptopd505.fenrus.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Arjan van de Ven wrote: > you should since that physical page can be reused, say by a root > process, and you'd be majorly screwed I don't understand what you mean by "reused". The whole point behind pinning the memory is that it stays where it is. It doesn't get moved around and it doesn't get swapped out. -- Timur Tabi Staff Software Engineer timur.tabi@ammasso.com