mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-25 18:30:06 +00:00
![Ingo Molnar](/assets/img/avatar_default.png)
This header depends on various scheduler definitions. Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Peter Zijlstra <peterz@infradead.org>
36 lines
678 B
C
36 lines
678 B
C
/* 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.
|
|
*/
|
|
|
|
#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 */
|