1#ifndef _LINUX_CPUDL_H
 2#define _LINUX_CPUDL_H
 3
 4#include <linux/sched.h>
 5
 6#define IDX_INVALID     -1
 7
 8struct cpudl_item {
 9	u64 dl;
10	int cpu;
11	int idx;
12};
13
14struct cpudl {
15	raw_spinlock_t lock;
16	int size;
17	cpumask_var_t free_cpus;
18	struct cpudl_item *elements;
19};
20
21
22#ifdef CONFIG_SMP
23int cpudl_find(struct cpudl *cp, struct task_struct *p,
24	       struct cpumask *later_mask);
25void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
26int cpudl_init(struct cpudl *cp);
27void cpudl_cleanup(struct cpudl *cp);
28#else
29#define cpudl_set(cp, cpu, dl) do { } while (0)
30#define cpudl_init() do { } while (0)
31#endif /* CONFIG_SMP */
32
33#endif /* _LINUX_CPUDL_H */