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-rw-r--r--kernel/include/linux/sched/deadline.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/include/linux/sched/deadline.h b/kernel/include/linux/sched/deadline.h
index 9d303b884..9089a2ae9 100644
--- a/kernel/include/linux/sched/deadline.h
+++ b/kernel/include/linux/sched/deadline.h
@@ -21,4 +21,9 @@ 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;
+}
+
#endif /* _SCHED_DEADLINE_H */