- it's true moving a task to another cgroup can fail.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <paul@paulmenage.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
move it into a new cgroup (possibly the root cgroup) by writing to the
new cgroup's tasks file.
-Note: If the ns cgroup is active, moving a process to another cgroup can
-fail.
+Note: Due to some restrictions enforced by some cgroup subsystems, moving
+a process to another cgroup can fail.
2.3 Mounting hierarchies by name
--------------------------------