diff --git a/src/cgroup/limit_value.rs b/src/cgroup/limit_value.rs
new file mode 100644
index 0000000..6ed402f
--- /dev/null
+++ b/src/cgroup/limit_value.rs
@@ -0,0 +1,5 @@
+#[derive(Debug)]
+pub enum CGroupLimitValue<T> {
+    Max,
+    Value(T),
+}
diff --git a/src/cgroup/mod.rs b/src/cgroup/mod.rs
index d3a6bdd..a1fc6a8 100644
--- a/src/cgroup/mod.rs
+++ b/src/cgroup/mod.rs
@@ -1,3 +1,4 @@
 pub mod cgroup;
 pub mod cgroup_stat;
 pub mod controller;
+pub mod limit_value;