mirror of https://gitee.com/openkylin/linux.git
30 lines
770 B
C
30 lines
770 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#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);
|
|
int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p,
|
|
struct cpumask *lowest_mask,
|
|
bool (*fitness_fn)(struct task_struct *p, int cpu));
|
|
void cpupri_set(struct cpupri *cp, int cpu, int pri);
|
|
int cpupri_init(struct cpupri *cp);
|
|
void cpupri_cleanup(struct cpupri *cp);
|
|
#endif
|