1 files changed, 90 insertions, 0 deletions
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
new file mode 100644
index 000000000000..e133705d794a
--- /dev/null
+++ b/include/linux/cgroup_subsys.h
@@ -0,0 +1,90 @@
+/*
+ * List of cgroup subsystems.
+ *
+ * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
+ */
+
+/*
+ * This file *must* be included with SUBSYS() defined.
+ * SUBSYS_TAG() is a noop if undefined.
+ */
+
+#ifndef SUBSYS_TAG
+#define __TMP_SUBSYS_TAG
+#define SUBSYS_TAG(_x)
+#endif
+
+#if IS_ENABLED(CONFIG_CPUSETS)
+SUBSYS(cpuset)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_SCHED)
+SUBSYS(cpu)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_CPUACCT)
+SUBSYS(cpuacct)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_SCHEDTUNE)
+SUBSYS(schedtune)
+#endif
+
+#if IS_ENABLED(CONFIG_BLK_CGROUP)
+SUBSYS(io)
+#endif
+
+#if IS_ENABLED(CONFIG_MEMCG)
+SUBSYS(memory)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_DEVICE)
+SUBSYS(devices)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_FREEZER)
+SUBSYS(freezer)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_NET_CLASSID)
+SUBSYS(net_cls)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_PERF)
+SUBSYS(perf_event)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
+SUBSYS(net_prio)
+#endif
+
+#if IS_ENABLED(CONFIG_CGROUP_HUGETLB)
+SUBSYS(hugetlb)
+#endif
+
+/*
+ * Subsystems that implement the can_fork() family of callbacks.
+ */
+SUBSYS_TAG(CANFORK_START)
+
+#if IS_ENABLED(CONFIG_CGROUP_PIDS)
+SUBSYS(pids)
+#endif
+
+SUBSYS_TAG(CANFORK_END)
+
+/*
+ * The following subsystems are not supported on the default hierarchy.
+ */
+#if IS_ENABLED(CONFIG_CGROUP_DEBUG)
+SUBSYS(debug)
+#endif
+
+#ifdef __TMP_SUBSYS_TAG
+#undef __TMP_SUBSYS_TAG
+#undef SUBSYS_TAG
+#endif
+
+/*
+ * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
+ */