powerpc: introduce get_mm_addr_key() helper

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get_mm_addr_key() helper returns the pkey associated with
an address corresponding to a given mm_struct.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Ram Pai 2018-01-18 17:50:41 -08:00 • committed by Michael Ellerman

parent e6c2a4797e

commit 087003e9ef

2 changed files with 33 additions and 0 deletions

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9

arch/powerpc/include/asm/mmu.h

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24

arch/powerpc/mm/hash_utils_64.c

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