diff options
Diffstat (limited to 'kernel/sched/cpudeadline.h')
-rw-r--r-- | kernel/sched/cpudeadline.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/kernel/sched/cpudeadline.h b/kernel/sched/cpudeadline.h new file mode 100644 index 000000000..1a0a6ef2f --- /dev/null +++ b/kernel/sched/cpudeadline.h @@ -0,0 +1,32 @@ +#ifndef _LINUX_CPUDL_H +#define _LINUX_CPUDL_H + +#include <linux/sched.h> + +#define IDX_INVALID -1 + +struct cpudl_item { + u64 dl; + int cpu; + int idx; +}; + +struct cpudl { + raw_spinlock_t lock; + int size; + cpumask_var_t free_cpus; + struct cpudl_item *elements; +}; + + +#ifdef CONFIG_SMP +int cpudl_find(struct cpudl *cp, struct task_struct *p, + struct cpumask *later_mask); +void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid); +int cpudl_init(struct cpudl *cp); +void cpudl_set_freecpu(struct cpudl *cp, int cpu); +void cpudl_clear_freecpu(struct cpudl *cp, int cpu); +void cpudl_cleanup(struct cpudl *cp); +#endif /* CONFIG_SMP */ + +#endif /* _LINUX_CPUDL_H */ |