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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2014-03-21 20:19:05 +0100 |
|---|---|---|
| committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2016-02-13 00:36:34 +0100 |
| commit | 09c2d3ba8fd9234ddf1616aa3139251c9471e89a (patch) | |
| tree | af35193c3d884b7c46d46ad90bd4e0557298b92c | |
| parent | 22bcd89a06333d6da6e03aefecfb475911680484 (diff) | |
| download | rt-linux-09c2d3ba8fd9234ddf1616aa3139251c9471e89a.tar.gz | |
rcu: make RCU_BOOST default on RT
Since it is no longer invoked from the softirq people run into OOM more
often if the priority of the RCU thread is too low. Making boosting
default on RT should help in those case and it can be switched off if
someone knows better.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
| -rw-r--r-- | init/Kconfig | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig index 3185a732113da3..a7c81c0911da64 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -498,7 +498,7 @@ config TINY_RCU config RCU_EXPERT bool "Make expert-level adjustments to RCU configuration" - default n + default y if PREEMPT_RT_FULL help This option needs to be enabled if you wish to make expert-level adjustments to RCU configuration. By default, @@ -641,7 +641,7 @@ config TREE_RCU_TRACE config RCU_BOOST bool "Enable RCU priority boosting" depends on RT_MUTEXES && PREEMPT_RCU && RCU_EXPERT - default n + default y if PREEMPT_RT_FULL help This option boosts the priority of preempted RCU readers that block the current preemptible RCU grace period for too long. |