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authorFelix Blyakher <felixb@sgi.com>2009-03-30 22:08:33 -0500
committerFelix Blyakher <felixb@sgi.com>2009-03-30 22:08:33 -0500
commit930861c4e6f13ce2e7d06cd1ef11441a065517d9 (patch)
treedf6ff01f89768ff8d6fe6a64491be30e6e56c3e0 /arch/x86/include/asm/pgtable-2level_types.h
parent8b112171734c791afaf43ccc8c6ec492e7006e44 (diff)
parent15f7176eb1cccec0a332541285ee752b935c1c85 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/include/asm/pgtable-2level_types.h')
-rw-r--r--arch/x86/include/asm/pgtable-2level_types.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
new file mode 100644
index 000000000000..daacc23e3fb9
--- /dev/null
+++ b/arch/x86/include/asm/pgtable-2level_types.h
@@ -0,0 +1,37 @@
+#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+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 union {
+ pteval_t pte;
+ pteval_t pte_low;
+} pte_t;
+#endif /* !__ASSEMBLY__ */
+
+#define SHARED_KERNEL_PMD 0
+#define PAGETABLE_LEVELS 2
+
+/*
+ * traditional i386 two-level paging structure:
+ */
+
+#define PGDIR_SHIFT 22
+#define PTRS_PER_PGD 1024
+
+
+/*
+ * the i386 is two-level, so we don't really have any
+ * PMD directory physically.
+ */
+
+#define PTRS_PER_PTE 1024
+
+#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */