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authorLen Brown <len.brown@intel.com>2009-04-05 02:14:15 -0400
committerLen Brown <len.brown@intel.com>2009-04-05 02:14:15 -0400
commit478c6a43fcbc6c11609f8cee7c7b57223907754f (patch)
treea7f7952099da60d33032aed6de9c0c56c9f8779e /arch/x86/include/asm/pgtable_64_types.h
parent8a3f257c704e02aee9869decd069a806b45be3f1 (diff)
parent6bb597507f9839b13498781e481f5458aea33620 (diff)
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/x86/include/asm/pgtable_64_types.h')
-rw-r--r--arch/x86/include/asm/pgtable_64_types.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
new file mode 100644
index 00000000000..fbf42b8e038
--- /dev/null
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -0,0 +1,63 @@
+#ifndef _ASM_X86_PGTABLE_64_DEFS_H
+#define _ASM_X86_PGTABLE_64_DEFS_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef unsigned long pteval_t;
+typedef unsigned long pmdval_t;
+typedef unsigned long pudval_t;
+typedef unsigned long pgdval_t;
+typedef unsigned long pgprotval_t;
+
+typedef struct { pteval_t pte; } pte_t;
+
+#endif /* !__ASSEMBLY__ */
+
+#define SHARED_KERNEL_PMD 0
+#define PAGETABLE_LEVELS 4
+
+/*
+ * PGDIR_SHIFT determines what a top-level page table entry can map
+ */
+#define PGDIR_SHIFT 39
+#define PTRS_PER_PGD 512
+
+/*
+ * 3rd level page
+ */
+#define PUD_SHIFT 30
+#define PTRS_PER_PUD 512
+
+/*
+ * PMD_SHIFT determines the size of the area a middle-level
+ * page table can map
+ */
+#define PMD_SHIFT 21
+#define PTRS_PER_PMD 512
+
+/*
+ * entries per page directory level
+ */
+#define PTRS_PER_PTE 512
+
+#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT)
+#define PMD_MASK (~(PMD_SIZE - 1))
+#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT)
+#define PUD_MASK (~(PUD_SIZE - 1))
+#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT)
+#define PGDIR_MASK (~(PGDIR_SIZE - 1))
+
+
+#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL)
+#define VMALLOC_START _AC(0xffffc20000000000, UL)
+#define VMALLOC_END _AC(0xffffe1ffffffffff, UL)
+#define VMEMMAP_START _AC(0xffffe20000000000, UL)
+#define MODULES_VADDR _AC(0xffffffffa0000000, UL)
+#define MODULES_END _AC(0xffffffffff000000, UL)
+#define MODULES_LEN (MODULES_END - MODULES_VADDR)
+
+#endif /* _ASM_X86_PGTABLE_64_DEFS_H */