powerpc/mm/hash64: Allocate larger PMD table if hugetlb config is enabled

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We use the second half of the page table to store slot information, so we must
allocate it always if hugetlb is possible.

Fixes: bf9a95f9a6 ("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>

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Aneesh Kumar K.V 2018-02-11 20:30:07 +05:30 • committed by Michael Ellerman

parent fae2211697

commit 4a7aa4fecb

2 changed files with 3 additions and 2 deletions

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2

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

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

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