1 #ifndef _LINUX_CPUDL_H 2 #define _LINUX_CPUDL_H 3 4 #include <linux/sched.h> 5 6 #define IDX_INVALID -1 7 8 struct array_item { 9 u64 dl; 10 int cpu; 11 }; 12 13 struct cpudl { 14 raw_spinlock_t lock; 15 int size; 16 int cpu_to_idx[NR_CPUS]; 17 struct array_item elements[NR_CPUS]; 18 cpumask_var_t free_cpus; 19 }; 20 21 22 #ifdef CONFIG_SMP 23 int cpudl_find(struct cpudl *cp, struct task_struct *p, 24 struct cpumask *later_mask); 25 void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid); 26 int cpudl_init(struct cpudl *cp); 27 void 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 */ 34