1 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-x86/mmu.h b/include/asm-x86/mmu.h
new file mode 100644
index 00000000000..3f922c8e1c8
--- /dev/null
+++ b/include/asm-x86/mmu.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_X86_MMU_H
+#define _ASM_X86_MMU_H
+
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+
+/*
+ * The x86 doesn't have a mmu context, but
+ * we put the segment information here.
+ *
+ * cpu_vm_mask is used to optimize ldt flushing.
+ */
+typedef struct { 
+	void *ldt;
+#ifdef CONFIG_X86_64
+	rwlock_t ldtlock; 
+#endif
+	int size;
+	struct mutex lock;
+	void *vdso;
+} mm_context_t;
+
+#endif /* _ASM_X86_MMU_H */