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

From: PaweÅ Sikora
Date: Wed Feb 12 2014 - 13:13:35 EST


On Wednesday 12 of February 2014 13:03:56 Dave Jones wrote:
> On Wed, Feb 12, 2014 at 06:59:07PM +0100, PaweÅ Sikora wrote:
> > On Wednesday 12 of February 2014 09:46:26 Joe Perches wrote:
> > > On Wed, 2014-02-12 at 18:16 +0100, PaweÅ 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 ?

this is a test-farm server which utilizes only cpu/ext4/nfs/lvm/mdadm.

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