commit 5524a27d39b68770f203d8d42eb5a95dde4933bc
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Mon Sep 10 02:52:50 2012 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> Mon Sep 17 16:31:49 2012 +1000
tree a238d67d29bce6fd893cd4c5545b5daf058ba5fd
parent dcda287a9b26309ae43a091d0ecde16f8f61b4c0

powerpc/mm: Convert virtual address to vpn

This patch convert different functions to take virtual page number
instead of virtual address. Virtual page number is virtual address
shifted right by VPN_SHIFT (12) bits. This enable us to have an
address range of upto 76 bits.

Reviewed-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>