OpenCloudOS-Kernel/arch/arm/include/asm/mmu.h

34 lines
523 B
C

#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)
#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