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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 <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
/*
* switch_mm() may do a full cache flush over the context switch,
* so enable interrupts over the context switch to avoid high
* latency.
*/
#ifndef CONFIG_CPU_HAS_ASID
#define __ARCH_WANT_INTERRUPTS_ON_CTXSW
#endif
#endif
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