Re: [RFC][PATCH] NOOP cgroup subsystem

[Paul Menage]

On Thu, Jan 8, 2009 at 10:44 PM, Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:
>
> And some other problems, like what's the semantic of /proc/<pid>/cgroup when
> using none subsys.

Since we'd need a way to distinguish between different "no subsys"
hierarchies, we could introduce the idea of a hierarchy name - i.e.
you would mount with options like -onone,name=foo, and this would show
up in /proc/self/cgroup as

name=foo:/path/to/cgroup

You could also name other hierarchies that did have subsystems
mounted, of course. This would allow you to mount existing hierarchies
by name rather than by subsystem set.

Paul
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