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| author | Paul E. McKenney <paulmck@kernel.org> | 2023-03-22 03:33:07 +0300 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2023-05-10 03:24:20 +0300 |
| commit | fb6112497bfe6defef46e58da0d5f291c11bd819 (patch) | |
| tree | 460e9ec721ca09572ba977254bd05bee3f62319c /Documentation/admin-guide/kernel-parameters.txt | |
| parent | 51823ca651364f68bd3ad33d848c1542fffdd627 (diff) | |
| download | linux-fb6112497bfe6defef46e58da0d5f291c11bd819.tar.xz | |
doc: Document the rcutree.rcu_resched_ns module parameter
This commit adds kernel-parameters.txt documentation for the
rcutree.rcu_resched_ns module parameter.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -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 8a094e2fc381..c21245c0cce6 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4861,6 +4861,13 @@ This wake_up() will be accompanied by a WARN_ONCE() splat and an ftrace_dump(). + rcutree.rcu_resched_ns= [KNL] + Limit the time spend invoking a batch of RCU + callbacks to the specified number of nanoseconds. + By default, this limit is checked only once + every 32 callbacks in order to limit the pain + inflicted by local_clock() overhead. + rcutree.rcu_unlock_delay= [KNL] In CONFIG_RCU_STRICT_GRACE_PERIOD=y kernels, this specifies an rcu_read_unlock()-time delay |