From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Wed, 12 Feb 2014 13:16:18 +0000 (+0100)
Subject: s390/mm: enable split page table lock for PMD level
X-Git-Tag: v3.15-rc1~167^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec66ad66a0de87866be347b5ecc83bd46427f53b;p=pandora-kernel.git

s390/mm: enable split page table lock for PMD level

Add the pgtable_pmd_page_ctor/pgtable_pmd_page_dtor calls to the pmd
allocation and free functions and enable ARCH_ENABLE_SPLIT_PMD_PTLOCK
for 64 bit.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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