diff --git a/man7/cgroups.7 b/man7/cgroups.7 index ee2c7f832..4e9c179c9 100644 --- a/man7/cgroups.7 +++ b/man7/cgroups.7 @@ -1049,7 +1049,22 @@ On some systems, automatically mounts the cgroup v2 filesystem. In order to experiment with the .I nsdelegate -operation, it may be desirable to +operation, it may be useful to boot the kernel with +the following command-line options: +.PP +.in +4n +.EX +cgroup_no_v1=all systemd.legacy_systemd_cgroup_controller +.EE +.in +.PP +These options cause the kernel to boot with the cgroups v1 controllers +disabled (meaning that the controllers are available in the v2 hierarchy), +and tells +.BR systemd (1) +not to mount and use the cgroup v2 hierarchy, +so that the v2 hierarchy can be manually mounted +with the desired options after boot-up. .\" .SS Cgroup v2 delegation containment rules Some delegation