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-rw-r--r--include/asm-arm26/mmu_context.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-arm26/mmu_context.h b/include/asm-arm26/mmu_context.h
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+++ b/include/asm-arm26/mmu_context.h
@@ -0,0 +1,51 @@
+/*
+ * linux/include/asm-arm/mmu_context.h
+ *
+ * Copyright (C) 1996 Russell King.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Changelog:
+ * 27-06-1996 RMK Created
+ */
+#ifndef __ASM_ARM_MMU_CONTEXT_H
+#define __ASM_ARM_MMU_CONTEXT_H
+
+#define init_new_context(tsk,mm) 0
+#define destroy_context(mm) do { } while(0)
+
+/*
+ * This is called when "tsk" is about to enter lazy TLB mode.
+ *
+ * mm: describes the currently active mm context
+ * tsk: task which is entering lazy tlb
+ * cpu: cpu number which is entering lazy tlb
+ *
+ * tsk->mm will be NULL
+ */
+static inline void
+enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
+{
+}
+
+/*
+ * This is the actual mm switch as far as the scheduler
+ * is concerned. No registers are touched.
+ */
+static inline void
+switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ cpu_switch_mm(next->pgd, next);
+}
+
+#define deactivate_mm(tsk,mm) do { } while (0)
+
+static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
+{
+ cpu_switch_mm(next->pgd, next);
+}
+
+#endif