From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757971AbXF0Dzn (ORCPT ); Tue, 26 Jun 2007 23:55:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752926AbXF0Dzf (ORCPT ); Tue, 26 Jun 2007 23:55:35 -0400 Received: from x35.xmailserver.org ([64.71.152.41]:3531 "EHLO x35.xmailserver.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752269AbXF0Dze (ORCPT ); Tue, 26 Jun 2007 23:55:34 -0400 X-AuthUser: davidel@xmailserver.org Date: Tue, 26 Jun 2007 20:55:32 -0700 (PDT) From: Davide Libenzi X-X-Sender: davide@alien.or.mcafeemobile.com To: Ulrich Drepper cc: Linux Kernel Mailing List Subject: Re: [patch 2/3] MAP_NOZERO - implement sys_brk2() In-Reply-To: Message-ID: References: X-GPG-FINGRPRINT: CFAE 5BEE FD36 F65E E640 56FE 0974 BF23 270F 474E X-GPG-PUBLIC_KEY: http://www.xmailserver.org/davidel.asc MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 Jun 2007, Ulrich Drepper wrote: > On 6/26/07, Davide Libenzi wrote: > > The following patch implements the sys_brk2() syscall, that nothing is > > other than a sys_brk() with an extra "flags" parameter. > > Shouldn't we wait for Linus' sys_indirect to arrive and make this > another syscall which takes advantage of it? I acutally have the code for it, but I never posted it since it did not receive a too warm review (and the only user was the fdmap thingy). OTOH glibc could implement __morecore using mmap(MAP_NOZERO), and hence brk2() would not be needed, no? - Davide