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1da177e4 LT |
1 | #ifndef _LINUX_CPUSET_H |
2 | #define _LINUX_CPUSET_H | |
3 | /* | |
4 | * cpuset interface | |
5 | * | |
6 | * Copyright (C) 2003 BULL SA | |
7 | * Copyright (C) 2004 Silicon Graphics, Inc. | |
8 | * | |
9 | */ | |
10 | ||
11 | #include <linux/sched.h> | |
12 | #include <linux/cpumask.h> | |
13 | #include <linux/nodemask.h> | |
14 | ||
15 | #ifdef CONFIG_CPUSETS | |
16 | ||
17 | extern int cpuset_init(void); | |
18 | extern void cpuset_init_smp(void); | |
19 | extern void cpuset_fork(struct task_struct *p); | |
20 | extern void cpuset_exit(struct task_struct *p); | |
9a848896 | 21 | extern cpumask_t cpuset_cpus_allowed(const struct task_struct *p); |
1da177e4 LT |
22 | void cpuset_init_current_mems_allowed(void); |
23 | void cpuset_update_current_mems_allowed(void); | |
24 | void cpuset_restrict_to_mems_allowed(unsigned long *nodes); | |
25 | int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl); | |
9bf2229f | 26 | extern int cpuset_zone_allowed(struct zone *z, unsigned int __nocast gfp_mask); |
ef08e3b4 | 27 | extern int cpuset_excl_nodes_overlap(const struct task_struct *p); |
1da177e4 LT |
28 | extern struct file_operations proc_cpuset_operations; |
29 | extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); | |
30 | ||
31 | #else /* !CONFIG_CPUSETS */ | |
32 | ||
33 | static inline int cpuset_init(void) { return 0; } | |
34 | static inline void cpuset_init_smp(void) {} | |
35 | static inline void cpuset_fork(struct task_struct *p) {} | |
36 | static inline void cpuset_exit(struct task_struct *p) {} | |
37 | ||
38 | static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p) | |
39 | { | |
40 | return cpu_possible_map; | |
41 | } | |
42 | ||
43 | static inline void cpuset_init_current_mems_allowed(void) {} | |
44 | static inline void cpuset_update_current_mems_allowed(void) {} | |
45 | static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {} | |
46 | ||
47 | static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) | |
48 | { | |
49 | return 1; | |
50 | } | |
51 | ||
9bf2229f PJ |
52 | static inline int cpuset_zone_allowed(struct zone *z, |
53 | unsigned int __nocast gfp_mask) | |
1da177e4 LT |
54 | { |
55 | return 1; | |
56 | } | |
57 | ||
ef08e3b4 PJ |
58 | static inline int cpuset_excl_nodes_overlap(const struct task_struct *p) |
59 | { | |
60 | return 1; | |
61 | } | |
62 | ||
1da177e4 LT |
63 | static inline char *cpuset_task_status_allowed(struct task_struct *task, |
64 | char *buffer) | |
65 | { | |
66 | return buffer; | |
67 | } | |
68 | ||
69 | #endif /* !CONFIG_CPUSETS */ | |
70 | ||
71 | #endif /* _LINUX_CPUSET_H */ |