1 #ifndef _LINUX_CPUPRI_H 2 #define _LINUX_CPUPRI_H 3 4 #include <linux/sched.h> 5 6 #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2) 7 8 #define CPUPRI_INVALID -1 9 #define CPUPRI_IDLE 0 10 #define CPUPRI_NORMAL 1 11 /* values 2-101 are RT priorities 0-99 */ 12 13 struct cpupri_vec { 14 atomic_t count; 15 cpumask_var_t mask; 16 }; 17 18 struct cpupri { 19 struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; 20 int cpu_to_pri[NR_CPUS]; 21 }; 22 23 #ifdef CONFIG_SMP 24 int cpupri_find(struct cpupri *cp, 25 struct task_struct *p, struct cpumask *lowest_mask); 26 void cpupri_set(struct cpupri *cp, int cpu, int pri); 27 int cpupri_init(struct cpupri *cp); 28 void cpupri_cleanup(struct cpupri *cp); 29 #else 30 #define cpupri_set(cp, cpu, pri) do { } while (0) 31 #define cpupri_init() do { } while (0) 32 #endif 33 34 #endif /* _LINUX_CPUPRI_H */ 35