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| author | Paul E. McKenney <paulmck@kernel.org> | 2021-11-12 07:33:40 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-12-09 10:52:11 -0800 |
| commit | 8610b65680390a103b58f46282a1b05f7eebbba4 (patch) | |
| tree | ca427b83e50b363a8b40471c17c1a408147c46cf /Documentation/admin-guide | |
| parent | ce9b1c667f03e0aa30d3eb69d0932e010d131c49 (diff) | |
rcu-tasks: Add rcupdate.rcu_task_enqueue_lim to set initial queueing
This commit adds a rcupdate.rcu_task_enqueue_lim module parameter that
sets the initial number of callback queues to use for the RCU Tasks
family of RCU implementations. This parameter allows testing of various
fanout values.
Reported-by: Martin Lau <kafai@fb.com>
Cc: Neeraj Upadhyay <neeraj.iitr10@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9725c546a0d4..9b09fc5dfe66 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4805,6 +4805,13 @@ period to instead use normal non-expedited grace-period processing. + rcupdate.rcu_task_enqueue_lim= [KNL] + Set the number of callback queues to use for the + RCU Tasks family of RCU flavors. The default + of -1 allows this to be automatically (and + dynamically) adjusted. This parameter is intended + for use in testing. + rcupdate.rcu_task_ipi_delay= [KNL] Set time in jiffies during which RCU tasks will avoid sending IPIs, starting with the beginning |