From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265615AbUEZN5Q (ORCPT ); Wed, 26 May 2004 09:57:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265652AbUEZN5Q (ORCPT ); Wed, 26 May 2004 09:57:16 -0400 Received: from zero.aec.at ([193.170.194.10]:61189 "EHLO zero.aec.at") by vger.kernel.org with ESMTP id S265615AbUEZN5M (ORCPT ); Wed, 26 May 2004 09:57:12 -0400 To: Ingo Molnar cc: andrea@suse.de, linux-kernel@vger.kernel.org, arjanv@redhat.com Subject: Re: 4k stacks in 2.6 References: <1ZQpn-1Rx-1@gated-at.bofh.it> <1ZQz8-1Yh-15@gated-at.bofh.it> <1ZRFf-2Vt-3@gated-at.bofh.it> <203Zu-4aT-15@gated-at.bofh.it> From: Andi Kleen Date: Wed, 26 May 2004 15:57:05 +0200 In-Reply-To: <203Zu-4aT-15@gated-at.bofh.it> (Ingo Molnar's message of "Wed, 26 May 2004 12:40:16 +0200") Message-ID: User-Agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.2 (gnu/linux) 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 Ingo Molnar writes: > > do you realize that the 4K stacks feature also adds a separate softirq > and a separate hardirq stack? So the maximum footprint is 4K+4K+4K, with A nice combination would be 8K process stacks with separate irq stacks on i386. Any chance the CONFIGs for those two could be split? -Andi