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-rw-r--r--src/systemd-nspawn/systemd-nspawn.xml7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/systemd-nspawn/systemd-nspawn.xml b/src/systemd-nspawn/systemd-nspawn.xml
index c449edee89..0019f948b1 100644
--- a/src/systemd-nspawn/systemd-nspawn.xml
+++ b/src/systemd-nspawn/systemd-nspawn.xml
@@ -881,8 +881,11 @@
<command>systemd-nspawn</command> is invoked from within a
service unit, and the service unit's sole purpose is to run a
single <command>systemd-nspawn</command> container. This
- option is not available if run from a user
- session.</para></listitem>
+ option is not available if run from a user session. If using
+ the cgroup v2 unified hierarchy, this assumes that
+ <command>systemd-nspawn</command> has the control group all to
+ itself; that it is the only process in the
+ group.</para></listitem>
</varlistentry>
<varlistentry>