[systemd-devel] question about name=systemd mount option

[Lennart Poettering]

On Sun, 21.04.13 10:53, Kevin Wilson (wkevils at gmail.com) wrote:

> Hello, systemd developers,
> 
> I have a short question about "name=systemd" cgroup mount option.
> 
> Would systemd work without specifying this mount option ?

No. This mount option is what tells the kernel to create an independent,
controller-less cgroup hierarchy, and that assigns it a name. 

> what is the reason for using this cgroup mount option ?

systemd uses its own hierarchy for grouping things, and that's the once
created with name=systemd. The other hierarchies are bound to
controllers, and their purpose is hence resource managament, but for
systemd that's not appropriate if all it wants to do is group processes
in a hierarchal way and assign names to these groups.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.