Re: [PATCH v7 4/5] cpuset: Restrict load balancing off cpus to subset of cpus.isolated

Tejun Heo
2018-05-01T20:58:34Z

Hello,

On Tue, May 01, 2018 at 04:33:45PM -0400, Waiman Long wrote:
> I think that will work too. We currently don't have a flag to make a
> file visible on first-level children only, but it shouldn't be hard to
> make one.

I think it'd be fine to make the flag file exist on all !root cgroups
but only writable on the first level children.

> Putting CPUs into an isolated child cpuset means removing it from the
> root's effective CPUs. So I would probably like to expose the read-only
> cpus.effective in the root cgroup so that we can check changes in the
> effective cpu list.

Ah, yeah, that makes sense.

> I will renew the patchset will your suggestion.

Thank you very much.

--
tejun