Messages in this thread | | | Date | Thu, 14 Oct 2004 06:15:26 -0500 | From | Robin Holt <> | Subject | Re: 4level page tables for Linux |
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On Thu, Oct 14, 2004 at 09:25:40AM -0000, linux@horizon.com 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 consistent.
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