[GitHub/mt8127/android_kernel_alcatel_ttab.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
	atomic64_t	id;
#endif
	unsigned int	vmalloc_seq;
} mm_context_t;

#ifdef CONFIG_CPU_HAS_ASID
#define ASID_BITS	8
#define ASID_MASK	((~0ULL) << ASID_BITS)
#define ASID(mm)	((mm)->context.id.counter & ~ASID_MASK)
#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
8a4e3a9e	8	atomic64_t id;
1da177e4	9	#endif
8a4e3a9e	10	unsigned int vmalloc_seq;
1da177e4 LT	11	} mm_context_t;
1da177e4 LT	12
516793c6	13	#ifdef CONFIG_CPU_HAS_ASID
b5466f87 WD	14	#define ASID_BITS 8
b5466f87 WD	15	#define ASID_MASK ((~0ULL) << ASID_BITS)
8a4e3a9e	16	#define ASID(mm) ((mm)->context.id.counter & ~ASID_MASK)
1da177e4 LT	17	#else
	18	#define ASID(mm) (0)
	19	#endif
	20
002547b4 RK	21	#else
	22
	23	/*
	24	* From nommu.h:
	25	* Copyright (C) 2002, David McCullough <davidm@snapgear.com>
	26	* modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
	27	*/
	28	typedef struct {
8a4e3a9e	29	unsigned long end_brk;
002547b4 RK	30	} mm_context_t;
	31
	32	#endif
	33
1da177e4	34	#endif