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SubjectRe: TLB entries > 4kb

On 13 Feb 1998, H. Peter Anvin wrote:

> > i tried to hack this half a year ago, but had to find out that 4MB pages
> > are only valid for kernel mappings, which means we'd have to make X a ring
> > 0 process too ...
>
> Why? It doesn't seem so difficult to make whatever creates the
> mappings recognize when you have a case appropriate for a 4 MB
> mapping.

4MB mappings simply dont work if you set _PAGE_USER. I tried it on a
pentium.

-- mingo


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