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/*

 *  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

#include <asm/pgtable.h>

#include <asm/memory.h>

#include <asm/proc-fns.h>

#define destroy_context(mm)             do { } while(0)

#define init_new_context(tsk,mm)        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, unsigned cpu)

{

}

/*

 * 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, unsigned int cpu)

{

        if (prev != next)

                cpu_switch_mm(next->pgd, tsk);

}

#define activate_mm(prev, next) \

        switch_mm((prev),(next),NULL,smp_processor_id())

#endif