[PATCH 14/14] resource limits: track highwater mark of RT priority

From: Topi Miettinen
Date: Fri Jul 15 2016 - 06:38:06 EST


Track maximum RT priority, to be able to configure
RLIMIT_RTPRIO resource limits. The information is available
with taskstats and cgroupstats netlink socket.

Signed-off-by: Topi Miettinen <toiwoton@xxxxxxxxx>
---
kernel/sched/core.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index da32bcd..bb08b43 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4221,6 +4221,9 @@ change:
balance_callback(rq);
preempt_enable();

+ task_update_resource_highwatermark(p, RLIMIT_RTPRIO,
+ attr->sched_priority);
+
return 0;
}

--
2.8.1