1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
new file mode 100644
index 00000000..b4ffe9d5
--- /dev/null
+++ b/arch/arm/include/asm/mmu.h
@@ -0,0 +1,37 @@
+#ifndef __ARM_MMU_H
+#define __ARM_MMU_H
+
+#ifdef CONFIG_MMU
+
+typedef struct {
+#ifdef CONFIG_CPU_HAS_ASID
+	unsigned int id;
+	spinlock_t id_lock;
+#endif
+	unsigned int kvm_seq;
+} mm_context_t;
+
+#ifdef CONFIG_CPU_HAS_ASID
+#define ASID(mm)	((mm)->context.id & 255)
+
+/* init_mm.context.id_lock should be initialized. */
+#define INIT_MM_CONTEXT(name)                                                 \
+	.context.id_lock    = __SPIN_LOCK_UNLOCKED(name.context.id_lock),
+#else
+#define ASID(mm)	(0)
+#endif
+
+#else
+
+/*
+ * From nommu.h:
+ *  Copyright (C) 2002, David McCullough <davidm@snapgear.com>
+ *  modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
+ */
+typedef struct {
+	unsigned long		end_brk;
+} mm_context_t;
+
+#endif
+
+#endif