Patch "cgroup:namespace: Remove unused cgroup_namespaces_init()" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    cgroup:namespace: Remove unused cgroup_namespaces_init()

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     cgroup-namespace-remove-unused-cgroup_namespaces_ini.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 77e3aad28a19e5f9504086784f93ad96c1b2cbae
Author: Lu Jialin <lujialin4@xxxxxxxxxx>
Date:   Thu Aug 10 11:25:28 2023 +0000

    cgroup:namespace: Remove unused cgroup_namespaces_init()
    
    [ Upstream commit 82b90b6c5b38e457c7081d50dff11ecbafc1e61a ]
    
    cgroup_namspace_init() just return 0. Therefore, there is no need to
    call it during start_kernel. Just remove it.
    
    Fixes: a79a908fd2b0 ("cgroup: introduce cgroup namespaces")
    Signed-off-by: Lu Jialin <lujialin4@xxxxxxxxxx>
    Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/kernel/cgroup/namespace.c b/kernel/cgroup/namespace.c
index 0d5c29879a50b..144a464e45c66 100644
--- a/kernel/cgroup/namespace.c
+++ b/kernel/cgroup/namespace.c
@@ -149,9 +149,3 @@ const struct proc_ns_operations cgroupns_operations = {
 	.install	= cgroupns_install,
 	.owner		= cgroupns_owner,
 };
-
-static __init int cgroup_namespaces_init(void)
-{
-	return 0;
-}
-subsys_initcall(cgroup_namespaces_init);