Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264213AbUIJHXu (ORCPT ); Fri, 10 Sep 2004 03:23:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264531AbUIJHXs (ORCPT ); Fri, 10 Sep 2004 03:23:48 -0400 Received: from pimout2-ext.prodigy.net ([207.115.63.101]:54150 "EHLO pimout2-ext.prodigy.net") by vger.kernel.org with ESMTP id S264213AbUIJHXk (ORCPT ); Fri, 10 Sep 2004 03:23:40 -0400 Date: Fri, 10 Sep 2004 00:23:28 -0700 From: Chris Wedgwood To: Arjan van de Ven Cc: LKML , Christoph Hellwig Subject: Re: [PATCH 1/3] Separate IRQ-stacks from 4K-stacks option Message-ID: <20040910072328.GB4606@taniwha.stupidest.org> References: <20040909232532.GA13572@taniwha.stupidest.org> <1094798428.2800.3.camel@laptop.fenrus.com> <20040910064519.GA4232@taniwha.stupidest.org> <20040910065213.GA11140@devserv.devel.redhat.com> <20040910071530.GB4480@taniwha.stupidest.org> <20040910072121.GE11140@devserv.devel.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040910072121.GE11140@devserv.devel.redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 743 Lines: 18 On Fri, Sep 10, 2004 at 09:21:21AM +0200, Arjan van de Ven wrote: > it used to be 8K unified for user context and softirq context and > hardirq context. Basically that got "split up" into 4k for user and > 4k each for the irq contexts. you didn't answer my second question and that's not really an answer of why 4K is the 'right' value what makes 4K suitable for i386 when x86-64 uses 8K and ppc64 uses 16K? the argument used to be about memory fragmentation but that not solved for the latter - 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/