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SubjectRe: using more than 2 GB as a ram disk


On Wed, 3 Feb 1999, Albert D. Cahalan wrote:

> >> Processes can have more than one segment, and 32-bit virtual address
> >> spaces can themselves be made virtual. I suppose one could say that
> >> the following hack uses segments to implement paging of a 36-bit
> >> virtual address space.
> >
> > All segments map onto the same 4Gig virtual space
>
> I told you I was aware of that. Read the post again.
> Hint: at any one point in time, most segments are invalid.
> Another hint: the 4 kB pages need not be used at all.

And you are going to do pagein/pageout by what chunks?


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