linux-kernel - [PATCH] cgroup: Fix incorrect css_set

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Message-Id: <20231012170902.3448834-1-longman@redhat.com>
Date:   Thu, 12 Oct 2023 13:09:02 -0400
From:   Waiman Long <longman@...hat.com>
To:     Tejun Heo <tj@...nel.org>, Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        Waiman Long <longman@...hat.com>
Subject: [PATCH] cgroup: Fix incorrect css_set_rwsem reference in comment

Since commit f0d9a5f17575 ("cgroup: make css_set_rwsem a spinlock
and rename it to css_set_lock"), css_set_rwsem has been replaced by
css_set_lock. That commit, however, missed the css_set_rwsem reference
in include/linux/cgroup-defs.h. Fix that by changing it to css_set_lock
as well.

Signed-off-by: Waiman Long <longman@...hat.com>
---
 include/linux/cgroup-defs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index f1b3151ac30b..265da00a1a8b 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -238,7 +238,7 @@ struct css_set {
 	 * Lists running through all tasks using this cgroup group.
 	 * mg_tasks lists tasks which belong to this cset but are in the
 	 * process of being migrated out or in.  Protected by
-	 * css_set_rwsem, but, during migration, once tasks are moved to
+	 * css_set_lock, but, during migration, once tasks are moved to
 	 * mg_tasks, it can be read safely while holding cgroup_mutex.
 	 */
 	struct list_head tasks;
-- 
2.39.3