linux-kernel - [PATCH 10/10] sched: Make cpu/cpuacct threaded controllers

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Date:   Sat, 10 Jun 2017 10:03:51 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Li Zefan <lizefan@...wei.com>, hannes@...xchg.org,
        peterz@...radead.org, mingo@...hat.com, longman@...hat.com
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com, pjt@...gle.com, luto@...capital.net,
        efault@....de, torvalds@...ux-foundation.org
Subject: [PATCH 10/10] sched: Make cpu/cpuacct threaded controllers

From: Waiman Long <longman@...hat.com>

Make cpu and cpuacct cgroup controllers usable within a threaded cgroup.

Signed-off-by: Waiman Long <longman@...hat.com>
---
 kernel/sched/core.c    | 1 +
 kernel/sched/cpuacct.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c86ab2c4ed3b..85e5358da560 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7469,6 +7469,7 @@ struct cgroup_subsys cpu_cgrp_subsys = {
 	.legacy_cftypes	= cpu_legacy_files,
 	.dfl_cftypes	= cpu_files,
 	.early_init	= true,
+	.threaded	= true,
 #ifdef CONFIG_CGROUP_CPUACCT
 	/*
 	 * cpuacct is enabled together with cpu on the unified hierarchy
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index 07ed36cc2600..ee4976a5dde0 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -412,4 +412,5 @@ struct cgroup_subsys cpuacct_cgrp_subsys = {
 	.css_free	= cpuacct_css_free,
 	.legacy_cftypes	= files,
 	.early_init	= true,
+	.threaded	= true,
 };
-- 
2.13.0