From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Thu, 6 Jun 2013 00:14:06 +0000 (-0700)
Subject: mm/THP: deposit the transpare huge pgtable before set_pmd
X-Git-Tag: v3.11-rc1~94^2~137
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fce144b477fb0313f6612d5e3e22b67d7bdf935e;p=pandora-kernel.git

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>
---

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