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[PATCH tip/core/rcu 5/5] doc: Add rcutree.rcu_kick_kthreads to kernel-parameters.txt

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  [PATCH tip/core/rcu 5/5] doc: Add rcutree.rcu_kick_kthreads to kernel-parameters.txt "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-14 10:00 +0100

#1558877 — [PATCH tip/core/rcu 5/5] doc: Add rcutree.rcu_kick_kthreads to kernel-parameters.txt

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index be7c0d9506b1..110745e7d61f 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3278,6 +3278,13 @@
 			Lazy RCU callbacks are those which RCU can
 			prove do nothing more than free memory.
 
+	rcutree.rcu_kick_kthreads= [KNL]
+			Cause the grace-period kthread to get an extra
+			wake_up() if it sleeps three times longer than
+			it should at force-quiescent-state time.
+			This wake_up() will be accompanied by a
+			WARN_ONCE() splat and an ftrace_dump().
+
 	rcuperf.gp_exp= [KNL]
 			Measure performance of expedited synchronous
 			grace-period primitives.
-- 
2.5.2

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