tree 392c066f3053fcf6f4683fbe6da3a0a06b091cc7
parent 06743521d0eae1263a09bccb1a92a9fbb94660b3
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1415204860 +0530
committer Michael Ellerman <mpe@ellerman.id.au> 1415946261 +1100

mm: Update generic gup implementation to handle hugepage directory

Update generic gup implementation with powerpc specific details.
On powerpc at pmd level we can have hugepte, normal pmd pointer
or a pointer to the hugepage directory.

Tested-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>