projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __ARM_MMU_H |
| 2 | #define __ARM_MMU_H | |
| 3 | ||
| 002547b4 RK |
4 | #ifdef CONFIG_MMU |
| 5 | ||
| 1da177e4 | 6 | typedef struct { |
| 516793c6 | 7 | #ifdef CONFIG_CPU_HAS_ASID |
| 8a4e3a9e | 8 | atomic64_t id; |
| bdae73cd CM |
9 | #else |
| 10 | int switch_pending; | |
| 1da177e4 | 11 | #endif |
| 8a4e3a9e | 12 | unsigned int vmalloc_seq; |
| 48be69a0 | 13 | unsigned long sigpage; |
| 1da177e4 LT |
14 | } mm_context_t; |
| 15 | ||
| 516793c6 | 16 | #ifdef CONFIG_CPU_HAS_ASID |
| b5466f87 WD |
17 | #define ASID_BITS 8 |
| 18 | #define ASID_MASK ((~0ULL) << ASID_BITS) | |
| 8a4e3a9e | 19 | #define ASID(mm) ((mm)->context.id.counter & ~ASID_MASK) |
| 1da177e4 LT |
20 | #else |
| 21 | #define ASID(mm) (0) | |
| 22 | #endif | |
| 23 | ||
| 002547b4 RK |
24 | #else |
| 25 | ||
| 26 | /* | |
| 27 | * From nommu.h: | |
| 28 | * Copyright (C) 2002, David McCullough <davidm@snapgear.com> | |
| 29 | * modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com> | |
| 30 | */ | |
| 31 | typedef struct { | |
| 8a4e3a9e | 32 | unsigned long end_brk; |
| 002547b4 RK |
33 | } mm_context_t; |
| 34 | ||
| 35 | #endif | |
| 36 | ||
| 1da177e4 | 37 | #endif |