powerpc: introduce pte_get_hash_gslot() helper

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Introduce pte_get_hash_gslot()() which returns the global slot number of
the HPTE in the global hash table.

This function will come in handy as we work towards re-arranging the PTE
bits in the later patches.

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Ram Pai 2017-11-06 00:50:46 -08:00 • committed by Michael Ellerman

parent 59aa31fd6f

commit 318995b4f5

2 changed files with 21 additions and 0 deletions

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3

arch/powerpc/include/asm/book3s/64/hash.h

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18

arch/powerpc/mm/hash_utils_64.c

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