Hello, Eric. On Mon, Nov 16, 2015 at 04:24:27PM -0600, Eric W. Biederman wrote: > Does this allow mixing of cgroupfs and cgroupfs2? That is can I: "mount > -t cgroupfs" inside a container and "mount -t cgroupfs2" outside a > container? and still have reasonable things happen? I suspect the > semantics of cgroups prevent this but I am interested to know what happens. cgroup v1 and v2 are just separate hierarchies. They can't nest each other but co-existing and namespacing on their own is completely fine. The caveat is that a given controller can be on only one hierarchy but that's the same among v1 hierarchies too. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html