On Thu, Oct 18, 2001 at 08:55:49PM +0100, Richard Earnshaw wrote:

 > Doesn't help, since the whole uvmspace is shared for a vfork.  So 
 > pmap_reference is never called.  The relevant refcount is p_vmspae->
 > vm_refcnt, which as far as I can tell can't be found via a pmap handle.

Oh bugger, so it is... ok, well, I'll have to think about this a little
more then :-)

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>