[PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns

[Serge E. Hallyn]

On Wed, Dec 02, 2015 at 11:58:39AM -0500, Tejun Heo wrote:
> On Wed, Dec 02, 2015 at 10:56:37AM -0600, Serge E. Hallyn wrote:
> > Can it be flushed when we know that the cgroup is being pinned by
> > a css_set?  (There's either a task or a cgroup_namespace pinning it
> > or we wouldn't get here)
> 
> Yeap, it can be flushed.  There's no ref coming out of cgroup to the
> vfs objects.

Ok, thanks.  Still seems to me to be more work to actually walk the
path ourselves, but I'll go that route and see what it looks like :)

thanks
-serge