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SubjectRe: 4level page tables for Linux
On Thu, Oct 14, 2004 at 09:25:40AM -0000, wrote:
> > Numbers for all of them would be easy to deal with.
> > Like this: pd1, pd2, pd3, pd4...
> >
> > I'd number going toward the page, because that's
> > the order in which these things get walked.
> On the other hand, these extensions tend to get made to the top,
> and it's confusing if, in a 2-level system, only pd3 and pd4 are used.
> Perhaps a little-endian scheme (pd1 = pte, pt2=pmd, pd4=pgd) would
> be better after all.

I think the pd4=pgd, etc makes more sense as well. The names assigned
now go from smallest scope (pte=pd1) to largest scope (pgd=pd3). Feels

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