Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751491AbVKPTGE (ORCPT ); Wed, 16 Nov 2005 14:06:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751474AbVKPTGE (ORCPT ); Wed, 16 Nov 2005 14:06:04 -0500 Received: from kanga.kvack.org ([66.96.29.28]:46211 "EHLO kanga.kvack.org") by vger.kernel.org with ESMTP id S1751491AbVKPTGD (ORCPT ); Wed, 16 Nov 2005 14:06:03 -0500 Date: Wed, 16 Nov 2005 14:03:34 -0500 From: Benjamin LaHaise To: Adrian Bunk Cc: Andi Kleen , Arjan van de Ven , Oliver Neukum , jmerkey , =?iso-8859-1?Q?J=F6rn?= Engel , alex14641@yahoo.com, linux-kernel@vger.kernel.org Subject: Re: [2.6 patch] i386: always use 4k stacks Message-ID: <20051116190334.GC982@kvack.org> References: <20051116005034.73421.qmail@web50210.mail.yahoo.com> <200511161630.59588.oliver@neukum.org> <1132155482.2834.42.camel@laptopd505.fenrus.org> <200511161710.05526.ak@suse.de> <20051116184508.GP5735@stusta.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051116184508.GP5735@stusta.de> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 661 Lines: 15 On Wed, Nov 16, 2005 at 07:45:08PM +0100, Adrian Bunk wrote: > The problem is similar no matter whether you have 4k or 8k stacks, but > with 4k stacks you have the additional benefits of order 0 allocations > and less memory usage. We could implement a stack guard page for the transition period, so that any stack overflows would end up generating a fault. That's easy enough to do by using vmalloc(). -ben - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/