linux-kernel - Re: [3.13.2] list passed to list_sort() too long for efficiency.

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Message-ID: <20140212180356.GA28354@redhat.com>
Date:	Wed, 12 Feb 2014 13:03:56 -0500
From:	Dave Jones <davej@...hat.com>
To:	Paweł Sikora <pawel.sikora@...k.net>
Cc:	Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org
Subject: Re: [3.13.2] list passed to list_sort() too long for efficiency.

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

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