1 /* SPDX-License-Identifier: GPL-2.0 */ !! 1 #ifndef _SCHED_DEADLINE_H
2 #ifndef _LINUX_SCHED_DEADLINE_H !! 2 #define _SCHED_DEADLINE_H
3 #define _LINUX_SCHED_DEADLINE_H <<
4 3
5 /* 4 /*
6 * SCHED_DEADLINE tasks has negative prioritie 5 * SCHED_DEADLINE tasks has negative priorities, reflecting
7 * the fact that any of them has higher prio t 6 * the fact that any of them has higher prio than RT and
8 * NORMAL/BATCH tasks. 7 * NORMAL/BATCH tasks.
9 */ 8 */
10 9
11 #include <linux/sched.h> <<
12 <<
13 #define MAX_DL_PRIO 0 10 #define MAX_DL_PRIO 0
14 11
15 static inline int dl_prio(int prio) 12 static inline int dl_prio(int prio)
16 { 13 {
17 if (unlikely(prio < MAX_DL_PRIO)) 14 if (unlikely(prio < MAX_DL_PRIO))
18 return 1; 15 return 1;
19 return 0; 16 return 0;
20 } 17 }
21 18
22 static inline int dl_task(struct task_struct * 19 static inline int dl_task(struct task_struct *p)
23 { 20 {
24 return dl_prio(p->prio); 21 return dl_prio(p->prio);
25 } 22 }
26 23
27 static inline bool dl_time_before(u64 a, u64 b 24 static inline bool dl_time_before(u64 a, u64 b)
28 { 25 {
29 return (s64)(a - b) < 0; 26 return (s64)(a - b) < 0;
30 } 27 }
31 28
32 #ifdef CONFIG_SMP !! 29 #endif /* _SCHED_DEADLINE_H */
33 <<
34 struct root_domain; <<
35 extern void dl_add_task_root_domain(struct tas <<
36 extern void dl_clear_root_domain(struct root_d <<
37 <<
38 #endif /* CONFIG_SMP */ <<
39 <<
40 #endif /* _LINUX_SCHED_DEADLINE_H */ <<
41 30
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