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SubjectRe: cgroups(7): documenting /sys/kernel/cgroup files
Hello,

On Wed, Jan 10, 2018 at 04:44:14AM -0800, Roman Gushchin wrote:
> cgroup.threads is not listed because it's not delegatable (doesn't have
> CFTYPE_NS_DELEGATABLE flag set). I don't know if it was intended or just
> an accident (I believe the latter).

So, thread mode isn't delegatble. Marking a cgroup as threaded turns
that subtree threaded and join the parent's domain, so we can't allow
delegation roots to be turned threaded - just like we can't mark the
root cgroup threaded, and I'm not really not sure what it means to
delegate a portion of threaded subtree.

Thanks.

--
tejun

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