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Linux kernel mirror (for testing)
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kernel
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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);
26extern int cpuset_zone_allowed(struct zone *z, unsigned int __nocast gfp_mask);
27extern int cpuset_excl_nodes_overlap(const struct task_struct *p);
28extern struct file_operations proc_cpuset_operations;
29extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
30
31#else /* !CONFIG_CPUSETS */
32
33static inline int cpuset_init(void) { return 0; }
34static inline void cpuset_init_smp(void) {}
35static inline void cpuset_fork(struct task_struct *p) {}
36static inline void cpuset_exit(struct task_struct *p) {}
37
38static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p)
39{
40 return cpu_possible_map;
41}
42
43static inline void cpuset_init_current_mems_allowed(void) {}
44static inline void cpuset_update_current_mems_allowed(void) {}
45static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {}
46
47static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
48{
49 return 1;
50}
51
52static inline int cpuset_zone_allowed(struct zone *z,
53 unsigned int __nocast gfp_mask)
54{
55 return 1;
56}
57
58static inline int cpuset_excl_nodes_overlap(const struct task_struct *p)
59{
60 return 1;
61}
62
63static 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 */