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cgroup/cpuset: Expose cpuset filesystem with cpuset v1 only

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The cpuset filesystem is a legacy interface to cpuset controller with
(pre-)v1 features. It makes little sense to co-mount it on systems
without cpuset v1, so do not build it when cpuset v1 is not built
neither.

Signed-off-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Michal Koutný 2024-09-09 18:32:21 +02:00 committed by Tejun Heo
parent 8c7e22fc91
commit 659f90f863
1 changed files with 2 additions and 2 deletions
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4
kernel/cgroup/cgroup.c
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@ -2331,7 +2331,7 @@ static struct file_system_type cgroup2_fs_type = {
.fs_flags = FS_USERNS_MOUNT,
};
#ifdef CONFIG_CPUSETS
#ifdef CONFIG_CPUSETS_V1
static const struct fs_context_operations cpuset_fs_context_ops = {
.get_tree = cgroup1_get_tree,
.free = cgroup_fs_context_free,
@ -6236,7 +6236,7 @@ int __init cgroup_init(void)
WARN_ON(register_filesystem(&cgroup_fs_type));
WARN_ON(register_filesystem(&cgroup2_fs_type));
WARN_ON(!proc_create_single("cgroups", 0, NULL, proc_cgroupstats_show));
#ifdef CONFIG_CPUSETS
#ifdef CONFIG_CPUSETS_V1
WARN_ON(register_filesystem(&cpuset_fs_type));
#endif