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powerpc/mm/hugetlb: Handle hugepage size supported by hash config

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W.r.t hash page table config, we support 16MB and 16GB as the hugepage
size. Update the hstate_get_psize to handle 16M and 16G.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2016-11-28 11:46:59 +05:30 committed by Michael Ellerman
parent bee8b3b56d
commit ccf17c8b5c
1 changed files with 4 additions and 0 deletions
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arch/powerpc/include/asm/book3s/64/hugetlb.h
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@ -21,6 +21,10 @@ static inline int hstate_get_psize(struct hstate *hstate)
return MMU_PAGE_2M;
else if (shift == mmu_psize_defs[MMU_PAGE_1G].shift)
return MMU_PAGE_1G;
else if (shift == mmu_psize_defs[MMU_PAGE_16M].shift)
return MMU_PAGE_16M;
else if (shift == mmu_psize_defs[MMU_PAGE_16G].shift)
return MMU_PAGE_16G;
else {
WARN(1, "Wrong huge page shift\n");
return mmu_virtual_psize;