[PATCH rcu 07/13] rcuscale: Add kfree_by_call_rcu and kfree_mult to documentation

From: Paul E. McKenney
Date: Mon Jul 17 2023 - 14:12:18 EST


This commit adds the kfree_by_call_rcu and kfree_mult rcuscale module
parameters to kernel-parameters.txt. While in the area, it updates
to rcuscale.scale_type.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Cc: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
---
Documentation/admin-guide/kernel-parameters.txt | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index a6888e3dfc20..3329dc22f53b 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4928,6 +4928,15 @@
test until boot completes in order to avoid
interference.

+ rcuscale.kfree_by_call_rcu= [KNL]
+ In kernels built with CONFIG_RCU_LAZY=y, test
+ call_rcu() instead of kfree_rcu().
+
+ rcuscale.kfree_mult= [KNL]
+ Instead of allocating an object of size kfree_obj,
+ allocate one of kfree_mult * sizeof(kfree_obj).
+ Defaults to 1.
+
rcuscale.kfree_rcu_test= [KNL]
Set to measure performance of kfree_rcu() flooding.

@@ -4973,7 +4982,7 @@
the same as for rcuscale.nreaders.
N, where N is the number of CPUs

- rcuscale.perf_type= [KNL]
+ rcuscale.scale_type= [KNL]
Specify the RCU implementation to test.

rcuscale.shutdown= [KNL]
--
2.40.1