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 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 */ 65