From a718e10cbaa28035b7ab510d68fef68524454e1a Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Sat, 10 Aug 2013 13:15:46 -0400
Subject: [PATCH] tile: handle super huge pages in virt_to_pte

This tile-specific API had a minor bug, in that if a super huge (>4GB)
page mapped a particular address range, we wouldn't handle it correctly.
As part of fixing that bug, I also cleaned up some of the pud and pmd
accessors to make them more consistent.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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