From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759522AbXGLGiS (ORCPT ); Thu, 12 Jul 2007 02:38:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751245AbXGLGiJ (ORCPT ); Thu, 12 Jul 2007 02:38:09 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:40922 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751722AbXGLGiI (ORCPT ); Thu, 12 Jul 2007 02:38:08 -0400 Date: Thu, 12 Jul 2007 16:37:53 +1000 From: David Chinner To: Jeremy Fitzhardinge Cc: Jesper Juhl , Linux Kernel Mailing List , Linus Torvalds Subject: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...? Message-ID: <20070712063753.GV31489@sgi.com> References: <200707111916.35036.jesper.juhl@gmail.com> <4695C564.5060500@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4695C564.5060500@goop.org> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 11, 2007 at 11:08:36PM -0700, Jeremy Fitzhardinge wrote: > Jesper Juhl wrote: > >One of the big problem spots was XFS, but that got some stack usage > >fixes recently, and the 4K stack option has been around for quite a > >while now, so people really should have gotten around to fixing any > >code that can't handle it. Are there still any big problem areas > >remaining? > > > > I get frequent crashes when I use 4k stacks with XFS+lvm, using recent > kernels. When did XFS stack use reductions go in? February. They were fixes for gcc4.x stack usage regressions (i.e. a ~25% increase) over gcc 3.3.5. They were not new stack reduction patches.... Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group