[PATCH] c/r: Add UTS support (v4)

Dave Hansen dave at linux.vnet.ibm.com
Fri Mar 20 14:00:25 PDT 2009

On Fri, 2009-03-20 at 16:48 -0400, Oren Laadan wrote:
> Does that scale well with many (1000's) of tasks ?
> (The motivation to expose 'nsproxy_objref' to user space was to allow
> user-space to decide on a sequence of clones/unshared that will create
> an equivalent process tree with space-efficient nsproxy's).

OK, so you're saying that there's no way for userspace to tell that a
set of tasks share an nsproxy other than exporting that nsproxy?

> Perhaps instead of nsproxy_equal() we could use an 'nsproxy_objref'
> to know a-priori that it is common, and save the "compare-and-swap"
> phase altogether.

Sure, that's workable.  The important thing is that it is an
optimization that can be left for later.

-- Dave

More information about the Containers mailing list