Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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); |
| 21 | extern const cpumask_t cpuset_cpus_allowed(const struct task_struct *p); |
| 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); |
| 26 | int cpuset_zone_allowed(struct zone *z); |
| 27 | extern struct file_operations proc_cpuset_operations; |
| 28 | extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); |
| 29 | |
| 30 | #else /* !CONFIG_CPUSETS */ |
| 31 | |
| 32 | static inline int cpuset_init(void) { return 0; } |
| 33 | static inline void cpuset_init_smp(void) {} |
| 34 | static inline void cpuset_fork(struct task_struct *p) {} |
| 35 | static inline void cpuset_exit(struct task_struct *p) {} |
| 36 | |
| 37 | static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p) |
| 38 | { |
| 39 | return cpu_possible_map; |
| 40 | } |
| 41 | |
| 42 | static inline void cpuset_init_current_mems_allowed(void) {} |
| 43 | static inline void cpuset_update_current_mems_allowed(void) {} |
| 44 | static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {} |
| 45 | |
| 46 | static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) |
| 47 | { |
| 48 | return 1; |
| 49 | } |
| 50 | |
| 51 | static inline int cpuset_zone_allowed(struct zone *z) |
| 52 | { |
| 53 | return 1; |
| 54 | } |
| 55 | |
| 56 | static inline char *cpuset_task_status_allowed(struct task_struct *task, |
| 57 | char *buffer) |
| 58 | { |
| 59 | return buffer; |
| 60 | } |
| 61 | |
| 62 | #endif /* !CONFIG_CPUSETS */ |
| 63 | |
| 64 | #endif /* _LINUX_CPUSET_H */ |