#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[NR_CPUS]; | |
}; | |
#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); | |
#else | |
#define cpupri_set(cp, cpu, pri) do { } while (0) | |
#define cpupri_init() do { } while (0) | |
#endif | |
#endif /* _LINUX_CPUPRI_H */ |