Re: 4level page tables for Linux II

From: Matthias Urlichs
Date: Fri Oct 15 2004 - 09:05:22 EST


Hi,

Jörn Engel:
> Please don't. Current names may be odd, but at least they are
> sufficiently different from one another. 4 names that only differ in
> a single number are an invitation for typos, thinkos and similar
> confusion.
>
Right now, so are the existing names: you have to remember which is which.

Levels numbered 1..4 are much simpler: you only have to remember that
the actual pages are level zero.

The solution of your typo problem is typechecking in the compiler;
presumably it'll warn me if I try to store a pgd3 pointer in a pgd2
entry.

--
Matthias Urlichs | {M:U} IT Design @ m-u-it.de | smurf@xxxxxxxxxxxxxx

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