[PATCH v5 3/7] powerpc/mm/hugetlb: Handle hugepage size supported by hash config

[Aneesh Kumar K.V]

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.ku...@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/book3s/64/hugetlb.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h 
b/arch/powerpc/include/asm/book3s/64/hugetlb.h
index 499268045306..d9c283f95e05 100644
--- a/arch/powerpc/include/asm/book3s/64/hugetlb.h
+++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h
@@ -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;
-- 
2.10.2