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, 9 Jan 2002 04:40:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 9 Jan 2002 04:40:22 -0500 Received: from codepoet.org ([166.70.14.212]:28428 "EHLO winder.codepoet.org") by vger.kernel.org with ESMTP id ; Wed, 9 Jan 2002 04:40:11 -0500 Date: Wed, 9 Jan 2002 02:40:10 -0700 From: Erik Andersen To: Alan Cox Cc: "H. Peter Anvin" , linux-kernel@vger.kernel.org Subject: Re: can we make anonymous memory non-EXECUTABLE? Message-ID: <20020109094010.GA8743@codepoet.org> Reply-To: andersen@codepoet.org Mail-Followup-To: Erik Andersen , Alan Cox , "H. Peter Anvin" , linux-kernel@vger.kernel.org In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.24i X-Operating-System: Linux 2.4.16-rmk1, Rebel-NetWinder(Intel StrongARM 110 rev 3), 185.95 BogoMips X-No-Junk-Mail: I do not want to get *any* junk mail. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed Jan 09, 2002 at 03:11:22AM +0000, Alan Cox wrote: > > One way to do this would be to create a newbrk() syscall which takes a > > permission argument (for new pages.) > > brk(), mmap(). > > Welcome to libc 8) Umm. How can libc implement mmap without the kernel handing out the pages? I don't get it. -Erik -- Erik B. Andersen http://codepoet-consulting.com/ --This message was written using 73% post-consumer electrons--