Re: [PATCH v4 8/9] cgroup/cpuset: Documentation update for partition

[Waiman Long]

On 7/10/23 17:30, Tejun Heo wrote:
> Hello,
>
> On Tue, Jun 27, 2023 at 10:35:07AM -0400, Waiman Long wrote:
> ...
> > +	There are two types of partitions - local and remote.  A local
> > +	partition is one whose parent cgroup is also a valid partition
> > +	root.  A remote partition is one whose parent cgroup is not a
> > +	valid partition root itself.  Writing to "cpuset.cpus.exclusive"
> > +	is not mandatory for the creation of a local partition as its
> > +	"cpuset.cpus.exclusive" file will be filled in automatically if
> > +	it is not set.	The automaticaly set value will be based on its
> > +	"cpuset.cpus" value.  Writing the proper "cpuset.cpus.exclusive"
> > +	values down the cgroup hierarchy is mandatory for the creation
> > +	of a remote partition.
> Wouldn't a partition root's cpus.exclusive always contain all of the CPUs in
> its cpus? Would it make sense for cpus.exclusive to be different from .cpus?
>
> Thanks.

In auto-filled case, it should be the same as cpuset.cpus. I will 
clarify that in the documentation. Thanks for catching that.

Cheers,
Longman