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authorLen Brown <len.brown@intel.com>2009-04-05 10:14:15 +0400
committerLen Brown <len.brown@intel.com>2009-04-05 10:14:15 +0400
commit478c6a43fcbc6c11609f8cee7c7b57223907754f (patch)
treea7f7952099da60d33032aed6de9c0c56c9f8779e /arch/powerpc/include/asm/pte-hash64-4k.h
parent8a3f257c704e02aee9869decd069a806b45be3f1 (diff)
parent6bb597507f9839b13498781e481f5458aea33620 (diff)
downloadlinux-478c6a43fcbc6c11609f8cee7c7b57223907754f.tar.xz
Merge branch 'linus' into release
Conflicts: arch/x86/kernel/cpu/cpufreq/longhaul.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/powerpc/include/asm/pte-hash64-4k.h')
-rw-r--r--arch/powerpc/include/asm/pte-hash64-4k.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pte-hash64-4k.h b/arch/powerpc/include/asm/pte-hash64-4k.h
new file mode 100644
index 000000000000..c134e809aac3
--- /dev/null
+++ b/arch/powerpc/include/asm/pte-hash64-4k.h
@@ -0,0 +1,17 @@
+/* To be include by pgtable-hash64.h only */
+
+/* PTE bits */
+#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */
+#define _PAGE_SECONDARY 0x8000 /* software: HPTE is in secondary group */
+#define _PAGE_GROUP_IX 0x7000 /* software: HPTE index within group */
+#define _PAGE_F_SECOND _PAGE_SECONDARY
+#define _PAGE_F_GIX _PAGE_GROUP_IX
+#define _PAGE_SPECIAL 0x10000 /* software: special page */
+
+/* PTE flags to conserve for HPTE identification */
+#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \
+ _PAGE_SECONDARY | _PAGE_GROUP_IX)
+
+/* shift to put page number into pte */
+#define PTE_RPN_SHIFT (17)
+