Merge commit 'ed30f24e8d07d30aa3e69d1f508f4d7bd2e8ea14' of git://git.linaro.org/landi...
[firefly-linux-kernel-4.4.55.git] / arch / arm / include / asm / mmu.h
1 #ifndef __ARM_MMU_H
2 #define __ARM_MMU_H
3
4 #ifdef CONFIG_MMU
5
6 typedef struct {
7 #ifdef CONFIG_CPU_HAS_ASID
8         atomic64_t      id;
9 #endif
10         unsigned int    vmalloc_seq;
11 } mm_context_t;
12
13 #ifdef CONFIG_CPU_HAS_ASID
14 #define ASID_BITS       8
15 #define ASID_MASK       ((~0ULL) << ASID_BITS)
16 #define ASID(mm)        ((mm)->context.id.counter & ~ASID_MASK)
17 #else
18 #define ASID(mm)        (0)
19 #endif
20
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 {
29         unsigned long   end_brk;
30 } mm_context_t;
31
32 #endif
33
34 #endif