1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_SCHED_DEADLINE_H
3 #define _LINUX_SCHED_DEADLINE_H
6 * SCHED_DEADLINE tasks has negative priorities, reflecting
7 * the fact that any of them has higher prio than RT and
11 #include <linux/sched.h>
15 static inline int dl_prio(int prio)
17 if (unlikely(prio < MAX_DL_PRIO))
22 static inline int dl_task(struct task_struct *p)
24 return dl_prio(p->prio);
27 static inline bool dl_time_before(u64 a, u64 b)
29 return (s64)(a - b) < 0;
35 extern void dl_add_task_root_domain(struct task_struct *p);
36 extern void dl_clear_root_domain(struct root_domain *rd);
38 #endif /* CONFIG_SMP */
40 #endif /* _LINUX_SCHED_DEADLINE_H */