diff options
Diffstat (limited to 'include/linux/sched/deadline.h')
| -rw-r--r-- | include/linux/sched/deadline.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/include/linux/sched/deadline.h b/include/linux/sched/deadline.h index 0cb034331cbb..c40115d4e34d 100644 --- a/include/linux/sched/deadline.h +++ b/include/linux/sched/deadline.h @@ -1,4 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_SCHED_DEADLINE_H +#define _LINUX_SCHED_DEADLINE_H /* * SCHED_DEADLINE tasks has negative priorities, reflecting @@ -6,16 +8,18 @@ * NORMAL/BATCH tasks. */ -#define MAX_DL_PRIO 0 +#include <linux/sched.h> -static inline int dl_prio(int prio) +static inline bool dl_prio(int prio) { - if (unlikely(prio < MAX_DL_PRIO)) - return 1; - return 0; + return unlikely(prio < MAX_DL_PRIO); } -static inline int dl_task(struct task_struct *p) +/* + * Returns true if a task has a priority that belongs to DL class. PI-boosted + * tasks will return true. Use dl_policy() to ignore PI-boosted tasks. + */ +static inline bool dl_task(struct task_struct *p) { return dl_prio(p->prio); } @@ -24,3 +28,13 @@ static inline bool dl_time_before(u64 a, u64 b) { return (s64)(a - b) < 0; } + +struct root_domain; +extern void dl_add_task_root_domain(struct task_struct *p); +extern void dl_clear_root_domain(struct root_domain *rd); +extern void dl_clear_root_domain_cpu(int cpu); + +extern u64 dl_cookie; +extern bool dl_bw_visited(int cpu, u64 cookie); + +#endif /* _LINUX_SCHED_DEADLINE_H */ |