1 #ifndef _SCHED_DEADLINE_H 2 #define _SCHED_DEADLINE_H 3 4 /* 5 * SCHED_DEADLINE tasks has negative priorities, reflecting 6 * the fact that any of them has higher prio than RT and 7 * NORMAL/BATCH tasks. 8 */ 9 10 #define MAX_DL_PRIO 0 11 12 static inline int dl_prio(int prio) 13 { 14 if (unlikely(prio < MAX_DL_PRIO)) 15 return 1; 16 return 0; 17 } 18 19 static inline int dl_task(struct task_struct *p) 20 { 21 return dl_prio(p->prio); 22 } 23 24 static inline bool dl_time_before(u64 a, u64 b) 25 { 26 return (s64)(a - b) < 0; 27 } 28 29 #endif /* _SCHED_DEADLINE_H */ 30