diff options
Diffstat (limited to 'kernel/sched/cpupri.h')
| -rw-r--r-- | kernel/sched/cpupri.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/sched/cpupri.h b/kernel/sched/cpupri.h new file mode 100644 index 000000000..63cbb9ca0 --- /dev/null +++ b/kernel/sched/cpupri.h @@ -0,0 +1,31 @@ +#ifndef _LINUX_CPUPRI_H +#define _LINUX_CPUPRI_H + +#include <linux/sched.h> + +#define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2) + +#define CPUPRI_INVALID -1 +#define CPUPRI_IDLE 0 +#define CPUPRI_NORMAL 1 +/* values 2-101 are RT priorities 0-99 */ + +struct cpupri_vec { + atomic_t count; + cpumask_var_t mask; +}; + +struct cpupri { + struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; + int *cpu_to_pri; +}; + +#ifdef CONFIG_SMP +int cpupri_find(struct cpupri *cp, + struct task_struct *p, struct cpumask *lowest_mask); +void cpupri_set(struct cpupri *cp, int cpu, int pri); +int cpupri_init(struct cpupri *cp); +void cpupri_cleanup(struct cpupri *cp); +#endif + +#endif /* _LINUX_CPUPRI_H */ |