powerpc/mm/hash64: Store the slot information at the right offset for hugetlb
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Sun, 11 Feb 2018 15:00:08 +0000 (20:30 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 13 Feb 2018 11:37:48 +0000 (22:37 +1100)
commitff31e105464d8c8c973019646827020aed9c2d9f
tree911780a5ac4287853b6a484261677c66b1dbb264
parent4a7aa4fecbbf94b5c6fae8acccc983d919992bde
powerpc/mm/hash64: Store the slot information at the right offset for hugetlb

The hugetlb pte entries are at the PMD and PUD level, so we can't use
PTRS_PER_PTE to find the second half of the page table. Use the right
offset for PUD/PMD to get to the second half of the table.

Fixes: bf9a95f9a648 ("powerpc: Free up four 64K PTE bits in 64K backed HPTE pages")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/book3s/64/hash-4k.h
arch/powerpc/include/asm/book3s/64/hash-64k.h
arch/powerpc/include/asm/book3s/64/pgtable.h
arch/powerpc/mm/hash64_4k.c
arch/powerpc/mm/hash64_64k.c
arch/powerpc/mm/hugetlbpage-hash64.c
arch/powerpc/mm/tlb_hash64.c