linux/kernel/sched/cpudeadline.h

34 lines
680 B
C

#ifndef _LINUX_CPUDL_H
#define _LINUX_CPUDL_H
#include <linux/sched.h>
#define IDX_INVALID -1
struct array_item {
u64 dl;
int cpu;
};
struct cpudl {
raw_spinlock_t lock;
int size;
int cpu_to_idx[NR_CPUS];
struct array_item elements[NR_CPUS];
cpumask_var_t free_cpus;
};
#ifdef CONFIG_SMP
int cpudl_find(struct cpudl *cp, struct task_struct *p,
struct cpumask *later_mask);
void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
int cpudl_init(struct cpudl *cp);
void cpudl_cleanup(struct cpudl *cp);
#else
#define cpudl_set(cp, cpu, dl) do { } while (0)
#define cpudl_init() do { } while (0)
#endif /* CONFIG_SMP */
#endif /* _LINUX_CPUDL_H */