Re: [PATCH v11 3/8] cgroup/cpuset: Allow no-task partition to have empty cpuset.cpus.effective

Waiman Long
2022-06-13T02:50:16Z

On 6/12/22 13:40, Tejun Heo wrote:
> Hello,
>
> Sorry about the long delay.
>
> On Tue, May 10, 2022 at 11:34:08AM -0400, Waiman Long wrote:
>> Once a partition with empty "cpuset.cpus.effective" is formed, no
>> new task can be moved into it until "cpuset.cpus.effective" becomes
>> non-empty.
> This is always true due to no-tasks-in-intermediate-cgroups requirement,
> right?

I seems to remember there are corner cases where a task can be moved to
an intermediate cgroup under circumstances. I need to dig further to
find out what it is.

Cheers,
Longman