Re: [PATCH 0/2] resource control file system - aka containers on top of nsproxy!

Dave Hansen
2007-03-07T22:13:57Z

On Wed, 2007-03-07 at 15:59 -0600, Serge E. Hallyn wrote:
> Space saving was the only reason for nsproxy to exist.
>
> Now of course it also provides the teensiest reduction in # instructions
> since every clone results in just one reference count inc for the
> nsproxy rather than one for each namespace.

If we have 7 or 8 namespaces, then it can save us a significant number
of atomic instructions on _each_ of the refcounts, plus touching all of
the cachelines, etc...

-- Dave