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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2014-03-21 19:19:05 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:38:54 (GMT) |
| commit | 580a0afc35fa9bf50ca4c3371230fe614d099284 (patch) | |
| tree | 78f4aba58bb6704f1f5e4c9fbb2fc0f034050107 /init | |
| parent | ab1625b77fd8cd5e9f542cb91ac8453b5636633a (diff) | |
| download | linux-fsl-qoriq-580a0afc35fa9bf50ca4c3371230fe614d099284.tar.xz | |
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.
Cc: stable-rt@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index 2eea17b..54eb5b6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -642,7 +642,7 @@ config TREE_RCU_TRACE config RCU_BOOST bool "Enable RCU priority boosting" depends on RT_MUTEXES && PREEMPT_RCU - 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. |