On 2015/7/25 2:43, Tejun Heo wrote: > It doesn't make sense to print subsystems on mount option or > /proc/PID/cgroup for the default hierarchy. > > * cgroup.controllers file at the root of the default hierarchy lists > the currently attached controllers. > > * The default hierarchy is catch-all for unmounted subsystems. > > * The default hierarchy doesn't accept any mount options. > > Suppress subsystem printing on mount options and /proc/PID/cgroup for > the default hierarchy. > > Signed-off-by: Tejun Heo <[email protected]> > Cc: Li Zefan <[email protected]> > Cc: Johannes Weiner <[email protected]> > Cc: [email protected]
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