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-rw-r--r--kernel/cgroup/cgroup.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index f2743a476190..3028f6bc7d11 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -2866,14 +2866,12 @@ int cgroup_migrate(struct task_struct *leader, bool threadgroup,
* take an rcu_read_lock.
*/
spin_lock_irq(&css_set_lock);
- rcu_read_lock();
task = leader;
do {
cgroup_migrate_add_task(task, mgctx);
if (!threadgroup)
break;
} while_each_thread(leader, task);
- rcu_read_unlock();
spin_unlock_irq(&css_set_lock);
return cgroup_migrate_execute(mgctx);