[net-next-2.6.git] / arch / arm / include / asm / 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)
#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
Commit	Line	Data
1da177e4 LT	1	#ifndef __ARM_MMU_H
	2	#define __ARM_MMU_H
	3
002547b4 RK	4	#ifdef CONFIG_MMU
002547b4 RK	5
1da177e4	6	typedef struct {
516793c6	7	#ifdef CONFIG_CPU_HAS_ASID
1da177e4	8	unsigned int id;
11805bcf	9	spinlock_t id_lock;
1da177e4	10	#endif
ff0daca5	11	unsigned int kvm_seq;
1da177e4 LT	12	} mm_context_t;
1da177e4 LT	13
516793c6	14	#ifdef CONFIG_CPU_HAS_ASID
1da177e4 LT	15	#define ASID(mm) ((mm)->context.id & 255)
	16	#else
	17	#define ASID(mm) (0)
	18	#endif
	19
002547b4 RK	20	#else
	21
	22	/*
	23	* From nommu.h:
	24	* Copyright (C) 2002, David McCullough <davidm@snapgear.com>
	25	* modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
	26	*/
	27	typedef struct {
002547b4 RK	28	unsigned long end_brk;
	29	} mm_context_t;
	30
	31	#endif
	32
1da177e4	33	#endif