Subject: Re: 4level page tables for Linux
From: Albert Cahalan <albert@users.sf.net>
To: Andrea Arcangeli <andrea@novell.com>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>, ak@suse.de
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Date: 13 Oct 2004 21:15:43 -0400
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On Wed, 2004-10-13 at 19:51, Andrea Arcangeli wrote:
> On Wed, Oct 13, 2004 at 07:22:15PM -0400, Albert Cahalan wrote:
> > I'd number going toward the page, because that's
> > the order in which these things get walked.
> 
> I'd call the pml level 1 too, but in the specs is level 4.  So sticking
> the specs numbering is going to generate less confusion. Otherwise when
> we speak with somebody with hardware knowledge we say level 4 and he
> understand the specs's level 1. I recall it already happened to me once ;).

While x86_64 will be by far the most popular arch,
this is a matter for the generic code.

Perhaps "4" should be avoided: 0,1,2,3


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