deadline.h (678B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2 3/* 4 * SCHED_DEADLINE tasks has negative priorities, reflecting 5 * the fact that any of them has higher prio than RT and 6 * NORMAL/BATCH tasks. 7 */ 8 9#include <linux/sched.h> 10 11#define MAX_DL_PRIO 0 12 13static inline int dl_prio(int prio) 14{ 15 if (unlikely(prio < MAX_DL_PRIO)) 16 return 1; 17 return 0; 18} 19 20static inline int dl_task(struct task_struct *p) 21{ 22 return dl_prio(p->prio); 23} 24 25static inline bool dl_time_before(u64 a, u64 b) 26{ 27 return (s64)(a - b) < 0; 28} 29 30#ifdef CONFIG_SMP 31 32struct root_domain; 33extern void dl_add_task_root_domain(struct task_struct *p); 34extern void dl_clear_root_domain(struct root_domain *rd); 35 36#endif /* CONFIG_SMP */