> : Well, the application date is what counts, and that's mar1992, but I'm
> : pretty sure that Bill Jolitz had them beat to that date already...
>
> I'm pretty sure that VMS 3.x used a similar technique. I have my old
> VMS internals docs from that time frame (maybe they are from 4.x).
> We're talking pre 1990 for sure.
Afaik VAX had one-level (pageable) page tables, so they were contignuous
by definition - no need to build special window.
Recent versions of VMS on Alpha use this trick - I've read about it in
some paper and that's how I've found the patent.
Mikulas
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