From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267190AbUHDBk3 (ORCPT ); Tue, 3 Aug 2004 21:40:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267180AbUHDBk3 (ORCPT ); Tue, 3 Aug 2004 21:40:29 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.104]:45532 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S267191AbUHDBkR (ORCPT ); Tue, 3 Aug 2004 21:40:17 -0400 To: Rik van Riel cc: Andrea Arcangeli , Chris Wright , Arjan van de Ven , linux-kernel@vger.kernel.org, akpm@osdl.org, pbadari@us.ibm.com Reply-To: Gerrit Huizenga From: Gerrit Huizenga Subject: Re: [patch] mlock-as-nonroot revisted In-reply-to: Your message of Tue, 03 Aug 2004 21:22:45 EDT. MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <32075.1091583420.1@us.ibm.com> Date: Tue, 03 Aug 2004 18:37:02 -0700 Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 03 Aug 2004 21:22:45 EDT, Rik van Riel wrote: > On Tue, 3 Aug 2004, Gerrit Huizenga wrote: > > > DB2, JVM also use hugetlbfs, other uses have been tried with > > some success. > > OK. Do any of those do the "root chowns an unnamed > hugetlbfs file" scenario ? ;) Badari will probably know the access method for DB2 better than I do. I know they go quite out of their way to avoid having root permissions at any point in time. How they accomplish this in the current source base, I don't know. They were using capabilities for things like this for a while. gerrit