kernel/sched/cpudeadline.h

   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 */