[PATCH v2 7/7] sched/core: support latency nice with sched core

[Vincent Guittot]

Take into account wakeup_latency_gran() when ordering the cfs threads.

Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
---
 kernel/sched/fair.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 71c0762491c5..063e9a3c7e51 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -11193,6 +11193,10 @@ bool cfs_prio_less(struct task_struct *a, struct task_struct *b, bool in_fi)
 	delta = (s64)(sea->vruntime - seb->vruntime) +
 		(s64)(cfs_rqb->min_vruntime_fi - cfs_rqa->min_vruntime_fi);
 
+	/* Take into account latency prio */
+	delta += wakeup_latency_gran(sea, seb);
+
+
 	return delta > 0;
 }
 #else
-- 
2.17.1