From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992891AbXDDM0I (ORCPT ); Wed, 4 Apr 2007 08:26:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992892AbXDDM0I (ORCPT ); Wed, 4 Apr 2007 08:26:08 -0400 Received: from iona.labri.fr ([147.210.8.143]:52399 "EHLO iona.labri.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992891AbXDDM0H (ORCPT ); Wed, 4 Apr 2007 08:26:07 -0400 Date: Wed, 4 Apr 2007 14:26:06 +0200 From: Samuel Thibault To: Andi Kleen Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: mbind and alignment Message-ID: <20070404122606.GF3638@implementation.labri.fr> Mail-Followup-To: Samuel Thibault , Andi Kleen , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20070402204202.GC3316@interface.famille.thibault.fr> <200704041352.04525.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <200704041352.04525.ak@suse.de> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Andi Kleen, le Wed 04 Apr 2007 13:52:04 +0200, a écrit : > > So one of those should probably be done to free people from headaches: > > > > - document "start" requirement in the manual page > > - require len to be aligned too, and document the requirements in the > > manual page > > - drop the "start" requirement and just round down the page + adjust > > size automatically. > > This annoyed me in the past too. The kernel should have done that alignment > by itself. But changing it now would be a bad idea because it would > produce programs that run on newer kernels but break on olders. > Documenting it is the only sane option left. Ok. I already sent a patch to the manpages maintainer. Samuel