summaryrefslogtreecommitdiffstats
path: root/include/linux/sched/deadline.h
blob: 0cb034331cbb80e592da0d52eec8d9ae63d2e6ba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/* 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;
}