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authorWaiman Long <longman@redhat.com>2018-11-08 10:08:43 -0500
committerTejun Heo <tj@kernel.org>2018-11-08 12:27:31 -0800
commit5776ceccd4de2a53dec740422a409e9e588c5a70 (patch)
tree41e78ca0388a3dca2ce57376bbb00f388e3ecbe7 /kernel/cgroup
parent0ccea8feb9807ba87b0405a826f6830a386706f5 (diff)
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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 'kernel/cgroup')
-rw-r--r--kernel/cgroup/cpuset.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 3960de7a75cc..fc1a809cd5bb 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2574,14 +2574,12 @@ static struct cftype dfl_files[] = {
.name = "cpus.effective",
.seq_show = cpuset_common_seq_show,
.private = FILE_EFFECTIVE_CPULIST,
- .flags = CFTYPE_NOT_ON_ROOT,
},
{
.name = "mems.effective",
.seq_show = cpuset_common_seq_show,
.private = FILE_EFFECTIVE_MEMLIST,
- .flags = CFTYPE_NOT_ON_ROOT,
},
{
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