linux-kernel - [PATCH rcu 07/13] rcuscale: Add kfree_by_call_rcu and kfree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 17 Jul 2023 11:11:32 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...a.com,
        rostedt@...dmis.org, "Paul E. McKenney" <paulmck@...nel.org>,
        Uladzislau Rezki <urezki@...il.com>
Subject: [PATCH rcu 07/13] rcuscale: Add kfree_by_call_rcu and kfree_mult to documentation

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@...nel.org>
Cc: Uladzislau Rezki (Sony) <urezki@...il.com>
---
 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