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

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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




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