powerpc/mm: Fix _PAGE_CHG_MASK to protect _PAGE_SPECIAL
authorPhilippe Gerum <rpm@xenomai.org>
Thu, 12 Feb 2009 12:18:46 +0000 (12:18 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 13 Feb 2009 05:37:44 +0000 (16:37 +1100)
Fix _PAGE_CHG_MASK so that pte_modify() does not affect the _PAGE_SPECIAL bit.

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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