Linux kernel mirror (for testing)
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linux
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
17extern int cpuset_init(void);
18extern void cpuset_init_smp(void);
19extern void cpuset_fork(struct task_struct *p);
20extern void cpuset_exit(struct task_struct *p);
21extern cpumask_t cpuset_cpus_allowed(const struct task_struct *p);
22void cpuset_init_current_mems_allowed(void);
23void cpuset_update_current_mems_allowed(void);
24void cpuset_restrict_to_mems_allowed(unsigned long *nodes);
25int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl);
26int cpuset_zone_allowed(struct zone *z);
27extern struct file_operations proc_cpuset_operations;
28extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
29
30#else /* !CONFIG_CPUSETS */
31
32static inline int cpuset_init(void) { return 0; }
33static inline void cpuset_init_smp(void) {}
34static inline void cpuset_fork(struct task_struct *p) {}
35static inline void cpuset_exit(struct task_struct *p) {}
36
37static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p)
38{
39 return cpu_possible_map;
40}
41
42static inline void cpuset_init_current_mems_allowed(void) {}
43static inline void cpuset_update_current_mems_allowed(void) {}
44static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {}
45
46static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
47{
48 return 1;
49}
50
51static inline int cpuset_zone_allowed(struct zone *z)
52{
53 return 1;
54}
55
56static 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 */