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