summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/pgtable-2level-defs.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/pgtable-2level-defs.h')
-rw-r--r--arch/x86/include/asm/pgtable-2level-defs.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable-2level-defs.h b/arch/x86/include/asm/pgtable-2level-defs.h
new file mode 100644
index 000000000000..d77db8990eaa
--- /dev/null
+++ b/arch/x86/include/asm/pgtable-2level-defs.h
@@ -0,0 +1,20 @@
+#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+
+#define SHARED_KERNEL_PMD 0
+
+/*
+ * 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 */