- argument. If true, all processes
- created by the root user (UID 0) during his
- session and from his session will be
- kept around after he logged out. This
- option allows cancelling the effect of
- <option>kill-session=1</option> and
- <option>kill-user=1</option> for the
- root user.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>controllers=</option></term>
-
- <listitem><para>Takes a comma
- separated list of cgroup controllers
- in which hierarchies a user/session
- cgroup will be created by default for
- each user logging in, in addition to
- the cgroup in the named 'name=systemd'
- hierarchy. If ommited, defaults to an
- empty list. This may be used to move
- user sessions into their own groups in
- the 'cpu' hierarchy which ensures that
- every logged in user gets an equal
- amount of CPU time regardless how many
- processes he has
- started.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>reset-controllers=</option></term>
-
- <listitem><para>Takes a comma
- separated list of cgroup controllers
- in which hierarchies the logged in
- processes will be reset to the root
- cgroup. If ommited, defaults to 'cpu',
- meaning that a 'cpu' cgroup grouping
- inherited from the login manager will
- be reset for the processes of the
- logged in user.</para></listitem>