41 lines
894 B
C
41 lines
894 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_SCHED_DEADLINE_H
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#define _LINUX_SCHED_DEADLINE_H
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/*
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* SCHED_DEADLINE tasks has negative priorities, reflecting
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* the fact that any of them has higher prio than RT and
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* NORMAL/BATCH tasks.
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*/
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#include <linux/sched.h>
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static inline bool dl_prio(int prio)
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{
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return unlikely(prio < MAX_DL_PRIO);
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}
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/*
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* Returns true if a task has a priority that belongs to DL class. PI-boosted
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* tasks will return true. Use dl_policy() to ignore PI-boosted tasks.
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*/
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static inline bool dl_task(struct task_struct *p)
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{
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return dl_prio(p->prio);
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}
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static inline bool dl_time_before(u64 a, u64 b)
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{
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return (s64)(a - b) < 0;
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}
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#ifdef CONFIG_SMP
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struct root_domain;
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extern void dl_add_task_root_domain(struct task_struct *p);
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extern void dl_clear_root_domain(struct root_domain *rd);
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#endif /* CONFIG_SMP */
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#endif /* _LINUX_SCHED_DEADLINE_H */
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