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mmu.h

#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>
 */
00031 typedef struct {
      unsigned long           end_brk;
} mm_context_t;

#endif

#endif

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