Re: 4level page tables for Linux

[Andi Kleen]

On Wed, 13 Oct 2004 20:41:53 +0200
Andrea Arcangeli <andrea@xxxxxxxxxx> wrote:


> 
> after you add the 4level, locking will become necessary for the pgd, but
> it's still not needed for the pml4.

Yes, agreed. I did an audit of the generic code and it seems to be ok
regarding the pgd use.


> peraphs we could consider pgd4 instead of pml4. What does "pml" stands
> for?

page mapping level 4 (?) just guessing here.

PML4 is the name AMD and Intel use in their documentation. I don't see 
a particular reason to be different from them.

-Andi
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