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doc: Add rcutree.rcu_kick_kthreads to kernel-parameters.txt

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Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2017-01-06 15:14:11 -08:00
parent 4afac159c3
commit e3c50dfbbd
1 changed files with 7 additions and 0 deletions
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7
Documentation/admin-guide/kernel-parameters.txt
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@ -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.