From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Date: Mon, 7 Jul 2008 14:28:52 +0000 (+1000)
Subject: powerpc/mm: Define flags for Strong Access Ordering
X-Git-Tag: v2.6.27-rc1~1058^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aba46c5027cb59d98052231b36efcbbde9c77a1d;p=pandora-kernel.git

powerpc/mm: Define flags for Strong Access Ordering

This patch defines:

- PROT_SAO, which is passed into mmap() and mprotect() in the prot field
- VM_SAO in vma->vm_flags, and
- _PAGE_SAO, the combination of WIMG bits in the pte that enables strong
access ordering for the page.

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

Reading git-diff-tree failed