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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * SCHED_DEADLINE tasks has negative priorities, reflecting
- * the fact that any of them has higher prio than RT and
- * NORMAL/BATCH tasks.
- */
- #include <linux/sched.h>
- #define MAX_DL_PRIO 0
- static inline int dl_prio(int prio)
- {
- if (unlikely(prio < MAX_DL_PRIO))
- return 1;
- return 0;
- }
- static inline int dl_task(struct task_struct *p)
- {
- return dl_prio(p->prio);
- }
- static inline bool dl_time_before(u64 a, u64 b)
- {
- return (s64)(a - b) < 0;
- }
- #ifdef CONFIG_SMP
- struct root_domain;
- extern void dl_add_task_root_domain(struct task_struct *p);
- extern void dl_clear_root_domain(struct root_domain *rd);
- #endif /* CONFIG_SMP */
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