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

[Christoph Lameter]

On Mon, 4 Aug 2014, Tejun Heo wrote:

> > 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.

Something is running a kmem_cache_shrink from cpu down hooks. Thats weird.

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