2 * linux/include/asm-arm/mmu_context.h
4 * Copyright (C) 1996 Russell King.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 * 27-06-1996 RMK Created
13 #ifndef __ASM_ARM_MMU_CONTEXT_H
14 #define __ASM_ARM_MMU_CONTEXT_H
16 #include <asm-generic/mm_hooks.h>
18 #define init_new_context(tsk,mm) 0
19 #define destroy_context(mm) do { } while(0)
22 * This is called when "tsk" is about to enter lazy TLB mode.
24 * mm: describes the currently active mm context
25 * tsk: task which is entering lazy tlb
26 * cpu: cpu number which is entering lazy tlb
28 * tsk->mm will be NULL
31 enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
36 * This is the actual mm switch as far as the scheduler
37 * is concerned. No registers are touched.
40 switch_mm(struct mm_struct *prev, struct mm_struct *next,
41 struct task_struct *tsk)
43 cpu_switch_mm(next->pgd, next);
46 #define deactivate_mm(tsk,mm) do { } while (0)
48 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
50 cpu_switch_mm(next->pgd, next);