mmu.h

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#ifndef __ARM_MMU_H
#define __ARM_MMU_H

#ifdef CONFIG_MMU

typedef struct {
#ifdef CONFIG_CPU_HAS_ASID
    unsigned int id;
    raw_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    = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock),
#else
#define ASID(mm)    (0)
#endif

#else

/*
 * From nommu.h:
 *  Copyright (C) 2002, David McCullough <[email protected]>
 *  modified for 2.6 by Hyok S. Choi <[email protected]>
 */
typedef struct {
    unsigned long       end_brk;
} mm_context_t;

#endif

#endif