[PATCH v9 16/20] powerpc/8xx: Enable 8M hugepage support with HW assistance

Christophe Leroy christophe.leroy at c-s.fr
Fri Nov 30 01:07:17 AEDT 2018


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

Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
---
 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



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