In message <20000421113441.B2221@dr-evil.z.zembu.com>Jason R Thorpe writes

>I just committed the attached patch.

Thanks for mailing these.

Won't they run into a similar overlfow with machines over 4gig?  It'd
be nice if we could boot cleanly on a Xeon with 8gigs, even if we only
used the bottom 4gigs of RAM...