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/* SPDX-License-Identifier: GPL-2.0 */

/*
 * SCHED_DEADLINE tasks has negative priorities, reflecting
 * the fact that any of them has higher prio than RT and
 * NORMAL/BATCH tasks.
 */

#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 */