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