Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758624AbZGHT4q (ORCPT ); Wed, 8 Jul 2009 15:56:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754444AbZGHT4j (ORCPT ); Wed, 8 Jul 2009 15:56:39 -0400 Received: from casper.infradead.org ([85.118.1.10]:45379 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754115AbZGHT4i (ORCPT ); Wed, 8 Jul 2009 15:56:38 -0400 Subject: Re: [PATCH 1/3] Increase lockdep limits: MAX_STACK_TRACE_ENTRIES From: Peter Zijlstra To: Joao Correia Cc: LKML , =?ISO-8859-1?Q?Am=E9rico?= Wang In-Reply-To: References: <1246980836.9777.5.camel@twins> <1246981444.9777.11.camel@twins> <1246982101.9777.15.camel@twins> <20090708172248.GB2521@redhat.com> <1247078164.16156.18.camel@laptop> Content-Type: text/plain Date: Wed, 08 Jul 2009 21:56:29 +0200 Message-Id: <1247082989.16156.19.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 833 Lines: 19 On Wed, 2009-07-08 at 20:48 +0100, Joao Correia wrote: > > > Im in no way pretending to understand all the details on this system, > but i do know there has been, as of late, an effort to make the init > process do more things at once, ie, load more modules in parallel to > speed up the process. Can't that be at least partially responsible for > this? Even if its just making some other problem more obvious? Nah, lockdep serializes all that under a single lock ;-) module unloading in particular wastes resources from a lockdep pov, so as long as that doesn't happen, we're good. -- 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/