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| author | Waiman Long <longman@redhat.com> | 2018-11-08 16:08:43 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2018-11-08 21:27:31 +0100 |
| commit | 5776ceccd4de2a53dec740422a409e9e588c5a70 (patch) | |
| tree | 41e78ca0388a3dca2ce57376bbb00f388e3ecbe7 /Documentation/admin-guide/cgroup-v2.rst | |
| parent | cpuset: Make generate_sched_domains() work with partition (diff) | |
| download | linux-5776ceccd4de2a53dec740422a409e9e588c5a70.tar.xz linux-5776ceccd4de2a53dec740422a409e9e588c5a70.zip | |
cpuset: Expose cpus.effective and mems.effective on cgroup v2 root
Because of the fact that setting the "cpuset.sched.partition" in
a direct child of root can remove CPUs from the root's effective CPU
list, it makes sense to know what CPUs are left in the root cgroup for
scheduling purpose. So the "cpuset.cpus.effective" control file is now
exposed in the v2 cgroup root.
For consistency, the "cpuset.mems.effective" control file is exposed
as well.
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/admin-guide/cgroup-v2.rst')
| -rw-r--r-- | Documentation/admin-guide/cgroup-v2.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index 01b70f69304e..595b0757ad2b 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -1653,7 +1653,7 @@ Cpuset Interface Files and won't be affected by any CPU hotplug events. cpuset.cpus.effective - A read-only multiple values file which exists on non-root + A read-only multiple values file which exists on all cpuset-enabled cgroups. It lists the onlined CPUs that are actually granted to this @@ -1693,7 +1693,7 @@ Cpuset Interface Files and won't be affected by any memory nodes hotplug events. cpuset.mems.effective - A read-only multiple values file which exists on non-root + A read-only multiple values file which exists on all cpuset-enabled cgroups. It lists the onlined memory nodes that are actually granted to |