From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756453AbZEPXN2 (ORCPT ); Sat, 16 May 2009 19:13:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753852AbZEPXNR (ORCPT ); Sat, 16 May 2009 19:13:17 -0400 Received: from vena.lwn.net ([206.168.112.25]:41132 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753820AbZEPXNR (ORCPT ); Sat, 16 May 2009 19:13:17 -0400 Date: Sat, 16 May 2009 17:13:16 -0600 From: Jonathan Corbet To: Andrew Morton Cc: Peter Zijlstra , LKML , Ingo Molnar Subject: Re: 2.6.30-rc kills my box hard - and lockdep chains Message-ID: <20090516171316.3e68d4f9@bike.lwn.net> In-Reply-To: <20090516160345.5bec42d7.akpm@linux-foundation.org> References: <20090514094951.36fd7333@bike.lwn.net> <1242365555.26820.51.camel@twins> <20090516160345.5bec42d7.akpm@linux-foundation.org> Organization: LWN.net X-Mailer: Claws Mail 3.7.1 (GTK+ 2.16.1; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 16 May 2009 16:03:45 -0700 Andrew Morton wrote: > Jon said that doubling MAX_LOCKDEP_CHAINS didn't help. How much did > the above patch increase things by? I doubled MAX_LOCKDEP_ENTRIES, but hadn't yet gotten around to trying MAX_LOCKDEP_CHAINS. It felt like I was going into territory where nobody else was complaining, so it seemed like maybe trying to paper over something else. I've not had a chance to go back and try with both parameters increased, will do. jon