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| author | Paul E. McKenney <paulmck@kernel.org> | 2020-05-08 02:38:29 +0300 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 21:58:50 +0300 |
| commit | 68c2f27e01f61760e6ae76fff9682e1ffe9bacb6 (patch) | |
| tree | ee9e41a711a3e20c451198ee932800235cdb6efa /kernel/rcu/tree_exp.h | |
| parent | f5ca34643bbd84f514bdeee194c45dd1fb066ef2 (diff) | |
| download | linux-68c2f27e01f61760e6ae76fff9682e1ffe9bacb6.tar.xz | |
rcu: Expedited grace-period sleeps to idle priority
This commit converts the schedule_timeout_uninterruptible() call used
by RCU's expedited grace-period processing 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_exp.h')
| -rw-r--r-- | kernel/rcu/tree_exp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 72952edad1e4..1888c0eb1216 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -403,7 +403,7 @@ retry_ipi: /* Online, so delay for a bit and try again. */ raw_spin_unlock_irqrestore_rcu_node(rnp, flags); trace_rcu_exp_grace_period(rcu_state.name, rcu_exp_gp_seq_endval(), TPS("selectofl")); - schedule_timeout_uninterruptible(1); + schedule_timeout_idle(1); goto retry_ipi; } /* CPU really is offline, so we must report its QS. */ |