Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753740AbaBLSEM (ORCPT ); Wed, 12 Feb 2014 13:04:12 -0500 Received: from mx1.redhat.com ([209.132.183.28]:27169 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752487AbaBLSEK (ORCPT ); Wed, 12 Feb 2014 13:04:10 -0500 Date: Wed, 12 Feb 2014 13:03:56 -0500 From: Dave Jones To: =?utf-8?B?UGF3ZcWC?= Sikora Cc: Joe Perches , linux-kernel@vger.kernel.org Subject: Re: [3.13.2] list passed to list_sort() too long for efficiency. Message-ID: <20140212180356.GA28354@redhat.com> Mail-Followup-To: Dave Jones , =?utf-8?B?UGF3ZcWC?= Sikora , Joe Perches , linux-kernel@vger.kernel.org References: <1799469.xr2i5c36Hj@localhost.localdomain> <1392227186.1868.20.camel@joe-AO722> <4850975.2GAlrTXDHt@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4850975.2GAlrTXDHt@localhost.localdomain> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 12, 2014 at 06:59:07PM +0100, Paweł Sikora wrote: > On Wednesday 12 of February 2014 09:46:26 Joe Perches wrote: > > On Wed, 2014-02-12 at 18:16 +0100, Paweł Sikora wrote: > > > [16855.582522] list passed to list_sort() too long for efficiency > > > > > > could someone put some light on the last line? > > > > Did you look at the list_sort function in lib/list_sort.c? > > > > (granted the dmesg is harder to find that it should be > > because the format is split) > > > > It just means it's slower than it could otherwise be > > thanks, > so without a stacktrace in dmesg we can't isolate a root of cause :/ The commit message mentions xfs and ubifs have long lists that get passed in. Do you use either of those ? Dave -- 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/