From: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Date: Thu, 25 Oct 2012 15:42:50 +0000 (+0200)
Subject: s390/thp: respect page protection in pmd_none() and pmd_present()
X-Git-Tag: v3.7-rc5~12^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8e7a33df0976459674dece4b630b5d59796ece7;p=pandora-kernel.git

s390/thp: respect page protection in pmd_none() and pmd_present()

Similar to pte_none() and pte_present(), the pmd functions should also
respect page protection of huge pages, especially PROT_NONE.
This patch also simplifies massage_pgprot_pmd() by adding new definitions
for huge page protection.

Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

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