> > (yes, i know...on machines with 64 bit addressing you could still
> > swap)
>
>even on machines with 32 bit addressing you could swap ... not all
>that that memory is going to mapped into one process...

of course not, no.  but how can you can address more than 4gb on a 32
bit machine?  really big page tables?

you'll have to forgive me, but i've tried to bend my mind around that
one several times already (in the past few years) and never quite
convinced myself that it could be done rationally.

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