1 files changed, 11 insertions, 1 deletions

diff --git a/include/asm-powerpc/mmu-hash64.h b/include/asm-powerpc/mmu-hash64.h
index e2ca55bcfe0b..b8dca30bd0b5 100644
--- a/include/asm-powerpc/mmu-hash64.h
+++ b/include/asm-powerpc/mmu-hash64.h
@@ -73,8 +73,9 @@ extern char initial_stab[];
 
 #define HPTES_PER_GROUP 8
 
+#define HPTE_V_SSIZE_SHIFT      62
 #define HPTE_V_AVPN_SHIFT       7
-#define HPTE_V_AVPN             ASM_CONST(0xffffffffffffff80)
+#define HPTE_V_AVPN             ASM_CONST(0x3fffffffffffff80)
 #define HPTE_V_AVPN_VAL(x)      (((x) & HPTE_V_AVPN) >> HPTE_V_AVPN_SHIFT)
 #define HPTE_V_COMPARE(x,y)     (!(((x) ^ (y)) & HPTE_V_AVPN))
 #define HPTE_V_BOLTED           ASM_CONST(0x0000000000000010)
@@ -151,6 +152,15 @@ struct mmu_psize_def
 #define MMU_PAGE_16G            5       /* 16G */
 #define MMU_PAGE_COUNT          6
 
+/*
+ * Segment sizes.
+ * These are the values used by hardware in the B field of
+ * SLB entries and the first dword of MMU hashtable entries.
+ * The B field is 2 bits; the values 2 and 3 are unused and reserved.
+ */
+#define MMU_SEGSIZE_256M        0
+#define MMU_SEGSIZE_1T          1
+
 #ifndef __ASSEMBLY__
 
 /*