Re: kernel: smp: WARNING at kernel/smp.c:673

From: Tejun Heo
Date: Mon Aug 04 2014 - 11:22:59 EST


On Mon, Aug 04, 2014 at 10:21:47AM -0500, Christoph Lameter wrote:
> On Mon, 4 Aug 2014, Tejun Heo wrote:
>
> > On Mon, Aug 04, 2014 at 10:00:39AM -0500, Christoph Lameter wrote:
> > > On Sun, 3 Aug 2014, Sasha Levin wrote:
> > >
> > > > While fuzzing with trinity inside a KVM tools guest running the latest -next
> > > > kernel, I've stumbled on the following spew:
> > >
> > > Hmmm... Is this the new cpuset code that calling kmem_cache_shrink from
> > > the cpu notifier?
> >
> > Hah? I don't see anything cpuset related there.
>
> Yuck. I meant cgroup code. There were some patches that were suggesting a
> shrink operation when taking down a cgroup. Does that also apply to per
> cpu downing?

Heh, I have no idea what you're talking about. cgroup currently
doesn't do anything like that. It doesn't even make use of the cpu
hotplug hooks.

Thanks.

--
tejun
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