Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/include/asm-arm26/mmu_context.h
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Wed Mar 4 11:03:09 2009 UTC (15 years, 6 months ago) by niro
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Wed Mar 4 11:03:09 2009 UTC (15 years, 6 months ago) by niro
File MIME type: text/plain
File size: 1214 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | /* |
2 | * linux/include/asm-arm/mmu_context.h |
3 | * |
4 | * Copyright (C) 1996 Russell King. |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License version 2 as |
8 | * published by the Free Software Foundation. |
9 | * |
10 | * Changelog: |
11 | * 27-06-1996 RMK Created |
12 | */ |
13 | #ifndef __ASM_ARM_MMU_CONTEXT_H |
14 | #define __ASM_ARM_MMU_CONTEXT_H |
15 | |
16 | #define init_new_context(tsk,mm) 0 |
17 | #define destroy_context(mm) do { } while(0) |
18 | |
19 | /* |
20 | * This is called when "tsk" is about to enter lazy TLB mode. |
21 | * |
22 | * mm: describes the currently active mm context |
23 | * tsk: task which is entering lazy tlb |
24 | * cpu: cpu number which is entering lazy tlb |
25 | * |
26 | * tsk->mm will be NULL |
27 | */ |
28 | static inline void |
29 | enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) |
30 | { |
31 | } |
32 | |
33 | /* |
34 | * This is the actual mm switch as far as the scheduler |
35 | * is concerned. No registers are touched. |
36 | */ |
37 | static inline void |
38 | switch_mm(struct mm_struct *prev, struct mm_struct *next, |
39 | struct task_struct *tsk) |
40 | { |
41 | cpu_switch_mm(next->pgd, next); |
42 | } |
43 | |
44 | #define deactivate_mm(tsk,mm) do { } while (0) |
45 | |
46 | static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) |
47 | { |
48 | cpu_switch_mm(next->pgd, next); |
49 | } |
50 | |
51 | #endif |