| /* 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. |
| */ |
| |
| #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 */ |
