ff31e105464d8c8c973019646827020aed9c2d9f - kernel/msm-5.4

commit	ff31e105464d8c8c973019646827020aed9c2d9f	[log] [tgz]
author	Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>	Sun Feb 11 20:30:08 2018 +0530
committer	Michael Ellerman <mpe@ellerman.id.au>	Tue Feb 13 22:37:48 2018 +1100
tree	911780a5ac4287853b6a484261677c66b1dbb264
parent	4a7aa4fecbbf94b5c6fae8acccc983d919992bde [diff]

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[diff]
arch/powerpc/include/asm/book3s/64/hash-64k.h[diff]
arch/powerpc/include/asm/book3s/64/pgtable.h[diff]
arch/powerpc/mm/hash64_4k.c[diff]
arch/powerpc/mm/hash64_64k.c[diff]
arch/powerpc/mm/hugetlbpage-hash64.c[diff]
arch/powerpc/mm/tlb_hash64.c[diff]

7 files changed

tree: 911780a5ac4287853b6a484261677c66b1dbb264