Messages in this thread | | | Date | Tue, 2 Feb 1999 10:00:10 +0000 | From | Neil Conway <> | Subject | Re: using more than 2 GB as a ram disk |
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H. Peter Anvin wrote: > > > H. Peter Anvin wrote: > > > Call it ridiculous. i386 et al only has 32 bits of linear address > > > space. It can't work. > > > > That's a little misleading, and it has been discussed here ad nauseam. > > > > The later i386 chips have PSE (== 36 bits of address space using > > segmentation). It's not pretty but it could be done. The fact that we > > think it isn't worth the trouble is not the issue here. > > > > No, segmentation doesn't help you for PAE (not PSE). You need to trap > and switch page tables.
OK, so *that's* how you do it (oops on the name). But you said it "can't work" - I can't reconcile that with the facts. Perhaps you didn't quite mean "can't work" ??
cheers Neil
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