> The VM object created by mmap(2) lingers in the vm object cache and holds
> on to the vnode associated with it. You'll get your file system space back
> as soon as it gets pushed out of the cache again, ie. after you've mmap(2)ed
> enough other things.
Will it get pushed out when the file system fills up?
I'm creating a temporary file in /tmp this way.  /tmp is
an MFS file system and has little space so it's important
that I can reuse it.

	-- Lennart