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Linux/kernel/sched/cpudeadline.h

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  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 cpudl_item {
  9         u64 dl;
 10         int cpu;
 11         int idx;
 12 };
 13 
 14 struct 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
 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 

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