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-rw-r--r--man/systemd.resource-control.xml7
1 files changed, 4 insertions, 3 deletions
diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index bf44a68345..76f3370b53 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -99,9 +99,10 @@
<refsect1>
<title>Unified and Legacy Control Group Hierarchies</title>
- <para>The unified control group hierarchy is the new version of kernel control group interface. Depending on the
- resource type, there are differences in resource control capabilities. Also, because of interface changes, some
- resource types have a separate set of options on the unified hierarchy.</para>
+ <para>The unified control group hierarchy is the new version of kernel control group interface, see <ulink
+ url="https://www.kernel.org/doc/Documentation/cgroup-v2.txt">cgroup-v2.txt</ulink>. Depending on the resource type,
+ there are differences in resource control capabilities. Also, because of interface changes, some resource types
+ have separate set of options on the unified hierarchy.</para>
<para>
<variablelist>