tree bb704a7d5f787dcb6c72a67f03f37fe13b12a60e
parent fde52796d487b675cde55427e3347ff3e59f9a7f
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1370477646 -0700
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1371711308 +1000

mm/THP: deposit the transpare huge pgtable before set_pmd

Architectures like powerpc use the deposited pgtable to store hash index
values.  We need to make the deposted pgtable is visible to other cpus
before we are ready to take a hash fault.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>