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author	Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
	Tue, 1 Dec 2015 03:36:50 +0000 (09:06 +0530)
committer	Michael Ellerman <mpe@ellerman.id.au>
	Mon, 14 Dec 2015 04:19:12 +0000 (15:19 +1100)
commit	c6a3c495f05a070d4c4016d4a51c384cba723971
tree	6d80845b8ff67e57533312085de88c5fb67c16d2	tree \| snapshot
parent	a43c0eb8364c022725df586e91dd753633374d66	commit \| diff

powerpc/mm: Add helper for converting pte bit to hpte bits

Instead of open coding it in multiple code paths, export the helper
and add more documentation. Also make sure we don't make assumption
regarding pte bit position

Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

Domain: System / Kernel;

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