Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265093AbUIJHix (ORCPT ); Fri, 10 Sep 2004 03:38:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266560AbUIJHix (ORCPT ); Fri, 10 Sep 2004 03:38:53 -0400 Received: from mx1.redhat.com ([66.187.233.31]:60868 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S263664AbUIJHf2 (ORCPT ); Fri, 10 Sep 2004 03:35:28 -0400 Date: Fri, 10 Sep 2004 09:35:07 +0200 From: Arjan van de Ven To: Chris Wedgwood Cc: LKML , Christoph Hellwig Subject: Re: [PATCH 1/3] Separate IRQ-stacks from 4K-stacks option Message-ID: <20040910073507.GF11140@devserv.devel.redhat.com> 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> <20040910072328.GB4606@taniwha.stupidest.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="5CUMAwwhRxlRszMD" Content-Disposition: inline In-Reply-To: <20040910072328.GB4606@taniwha.stupidest.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1303 Lines: 39 --5CUMAwwhRxlRszMD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Sep 10, 2004 at 12:23:28AM -0700, Chris Wedgwood wrote: > 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 because in 2.4 user context already only had 4Kb. That makes it a basically unchanged value. (yes 2.4 had a 8k total but aobut 1.6k went to the task struct, and somewhere about 2 and 3 Kb are used by irqs leaving a bit under 4Kb for user context) --5CUMAwwhRxlRszMD Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBQVkqxULwo51rQBIRAmNTAKCITAvUxME9dhSEdtaM7FxsMT2/VACdFBQA jDAWmWro/iLq2l7jD/fO/t4= =jxeZ -----END PGP SIGNATURE----- --5CUMAwwhRxlRszMD-- - 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/