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| author | Paul E. McKenney <paulmck@kernel.org> | 2020-05-07 16:34:38 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 11:58:50 -0700 |
| commit | a9352f72d6a9e8fe4840b9f0d97af8f5a6c52c79 (patch) | |
| tree | 6a2a584bb3faa58b17eea20f83e24f570bccf727 /kernel/rcu/tree_plugin.h | |
| parent | 77865dea25c4f45ce0c5bf61a8470af01fccd944 (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.h | 2 |
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; } |