On Mon, Jun 18, 2018 at 12:14:04PM +0800, Waiman Long wrote: > diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst > index 5ee5e77..6ef3516 100644 > --- a/Documentation/admin-guide/cgroup-v2.rst > +++ b/Documentation/admin-guide/cgroup-v2.rst > @@ -1626,6 +1626,13 @@ Cpuset Interface Files > 2) No CPU that has been distributed to child scheduling domain > roots is deleted. > > + When all the CPUs allocated to a scheduling domain are offlined, > + that scheduling domain will be temporaily gone and all the > + tasks in that scheduling domain will migrate to another one that > + belongs to the parent of the scheduling domain root. When any > + of those offlined CPUs is onlined again, a new scheduling domain > + will be re-created and the tasks will be migrated back. > + You should mention that this is a destructive operation. If any of the tasks had an affinity smaller than the original cgroup, that will be gone. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
