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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_DEADLINE_H
#define _LINUX_SCHED_DEADLINE_H
/*
* SCHED_DEADLINE tasks has negative priorities, reflecting
* the fact that any of them has higher prio than RT and
* NORMAL/BATCH tasks.
*/
#include <linux/sched.h>
#define MAX_DL_PRIO 0
static inline int dl_prio(int prio)
{
if (unlikely(prio < MAX_DL_PRIO))
return 1;
return 0;
}
static inline int dl_task(struct task_struct *p)
{
return dl_prio(p->prio);
}
static inline bool dl_time_before(u64 a, u64 b)
{
return (s64)(a - b) < 0;
}
#ifdef CONFIG_SMP
struct root_domain;
extern void dl_add_task_root_domain(struct task_struct *p);
extern void dl_clear_root_domain(struct root_domain *rd);
#endif /* CONFIG_SMP */
#endif /* _LINUX_SCHED_DEADLINE_H */