aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/mmu-hash64.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/mmu-hash64.h')
-rw-r--r--arch/powerpc/include/asm/mmu-hash64.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index 2fdb47a19ef..5f8c2bd5881 100644
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -381,21 +381,22 @@ extern void slb_set_size(u16 size);
* hash collisions.
*/
+#define CONTEXT_BITS 19
+#define USER_ESID_BITS 18
+#define USER_ESID_BITS_1T 6
+
/*
* This should be computed such that protovosid * vsid_mulitplier
* doesn't overflow 64 bits. It should also be co-prime to vsid_modulus
*/
#define VSID_MULTIPLIER_256M ASM_CONST(12538073) /* 24-bit prime */
-#define VSID_BITS_256M 38
+#define VSID_BITS_256M (CONTEXT_BITS + USER_ESID_BITS + 1)
#define VSID_MODULUS_256M ((1UL<<VSID_BITS_256M)-1)
#define VSID_MULTIPLIER_1T ASM_CONST(12538073) /* 24-bit prime */
-#define VSID_BITS_1T 26
+#define VSID_BITS_1T (CONTEXT_BITS + USER_ESID_BITS_1T + 1)
#define VSID_MODULUS_1T ((1UL<<VSID_BITS_1T)-1)
-#define CONTEXT_BITS 19
-#define USER_ESID_BITS 18
-#define USER_ESID_BITS_1T 6
#define USER_VSID_RANGE (1UL << (USER_ESID_BITS + SID_SHIFT))