1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #define IDX_INVALID -1 4 5 struct cpudl_item { 6 u64 dl; 7 int cpu; 8 int idx; 9 }; 10 11 struct cpudl { 12 raw_spinlock_t lock; 13 int size; 14 cpumask_var_t free_cpus; 15 struct cpudl_item *elements; 16 }; 17 18 #ifdef CONFIG_SMP 19 int cpudl_find(struct cpudl *cp, struct task_struct *p, struct cpumask *later_mask); 20 void cpudl_set(struct cpudl *cp, int cpu, u64 dl); 21 void cpudl_clear(struct cpudl *cp, int cpu); 22 int cpudl_init(struct cpudl *cp); 23 void cpudl_set_freecpu(struct cpudl *cp, int cpu); 24 void cpudl_clear_freecpu(struct cpudl *cp, int cpu); 25 void cpudl_cleanup(struct cpudl *cp); 26 #endif /* CONFIG_SMP */ 27