[CRIU] [PATCH 1/2] cgroups: Add ability to reuse existing cgroup yard directory

[Cyrill Gorcunov]

On Fri, Jun 12, 2015 at 12:27:03AM -0600, Tycho Andersen wrote:
> > 
> > Never headr of such thing. Still one can pass --cgroup-yard option
> > and define the directory to use instead of /sys/fs/cgroup (it should
> > be premounted by caller then).
> 
> Right, of course, it's just a change in the default behavior. I
> thought there was some reason we didn't use /sys/fs/cgroup in the
> first place, but I can't remember what it is.

Yes, it's a change in def. behaviour. The first version of patches
used backward compatible manner -- ie until explicitly choosen via
--cgroup-yard temp yard has been created and mounted, but Pavel proposed
to drop it off.