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

From	Topi Miettinen <toiwoton@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 14/14] resource limits: track highwater mark of RT priority
Date	2016-07-15 12:40 +0200
Message-ID	<rV8Hg-5Li-37@gated-at.bofh.it> (permalink)
References	<rV8Hf-5Li-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@gmail.com>
---
 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

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[PATCH 14/14] resource limits: track highwater mark of RT priority Topi Miettinen <toiwoton@gmail.com> - 2016-07-15 12:40 +0200

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