From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751317AbWELSov (ORCPT ); Fri, 12 May 2006 14:44:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751318AbWELSov (ORCPT ); Fri, 12 May 2006 14:44:51 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:48097 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1751317AbWELSov (ORCPT ); Fri, 12 May 2006 14:44:51 -0400 Subject: Re: mlock into kernel module From: Arjan van de Ven To: "sej.kernel" Cc: linux-kernel@vger.kernel.org In-Reply-To: <4464A819.2050706@gmail.com> References: <4464A819.2050706@gmail.com> Content-Type: text/plain Date: Fri, 12 May 2006 20:44:48 +0200 Message-Id: <1147459488.3173.42.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2006-05-12 at 17:22 +0200, sej.kernel wrote: > Hello, > I need to use mlock and munlock function into a kernel module. How so > I call this system call from my module ? no it's a bug if you need to do that > I need to do this because I must use mlock in my software, but I can't > use root or suser to start it. So mlock alwaays fail. that's an rlimit thing, just fix the rlimit on your system. Also if you want to do this for pinning hardware at a physical address you have a really wrong design (mlock is the wrong api) which also includes a security hole btw