forked from mirrors/linux
3ba78da711
It's the only non-trivial header in include/linux/sched/ missing a header guard. Signed-off-by: Ingo Molnar <mingo@kernel.org>
40 lines
780 B
C
40 lines
780 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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#define MAX_DL_PRIO 0
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static inline int dl_prio(int prio)
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{
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if (unlikely(prio < MAX_DL_PRIO))
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return 1;
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return 0;
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}
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static inline int 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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