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authorPaul E. McKenney2020-05-07 16:34:38 -0700
committerPaul E. McKenney2020-06-29 11:58:50 -0700
commita9352f72d6a9e8fe4840b9f0d97af8f5a6c52c79 (patch)
tree6a2a584bb3faa58b17eea20f83e24f570bccf727 /kernel/rcu/tree_plugin.h
parent77865dea25c4f45ce0c5bf61a8470af01fccd944 (diff)
rcu: Priority-boost-related sleeps to idle priority
This commit converts the long-standing schedule_timeout_interruptible() call used by RCU's priority-boosting kthreads to schedule_timeout_idle(). This conversion avoids polluting the load-average with RCU-related sleeping. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
-rw-r--r--kernel/rcu/tree_plugin.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 352223664ebd..25296c17a30d 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1033,7 +1033,7 @@ static int rcu_boost_kthread(void *arg)
if (spincnt > 10) {
WRITE_ONCE(rnp->boost_kthread_status, RCU_KTHREAD_YIELDING);
trace_rcu_utilization(TPS("End boost kthread@rcu_yield"));
- schedule_timeout_interruptible(2);
+ schedule_timeout_idle(2);
trace_rcu_utilization(TPS("Start boost kthread@rcu_yield"));
spincnt = 0;
}