[PATCH v7 12/16] powerpc/mm: Enable 8M hugepage support with HW assistance on the 8xx

From: Christophe Leroy
Date: Wed Nov 28 2018 - 06:46:51 EST


HW assistance naturally supports 8M huge pages without
further modifications.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
arch/powerpc/mm/tlb_nohash.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index 4f79639e432f..8ad7aab150b7 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -97,6 +97,9 @@ struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
.shift = 14,
},
#endif
+ [MMU_PAGE_8M] = {
+ .shift = 23,
+ },
};
#else
struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
--
2.13.3