tree 54be7af9af64fdc07e668013e3b6282e3a3de217
parent c367714ce807faff3f0c48064cda158d5117b419
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1371718821 +0530
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1371794516 +1000

powerpc/THP: Add code to handle HPTE faults for hugepages

The deposted PTE page in the second half of the PMD table is used to
track the state on hash PTEs. After updating the HPTE, we mark the
coresponding slot in the deposted PTE page valid.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>