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-rw-r--r--init/Kconfig7
-rw-r--r--kernel/cgroup/debug.c6
2 files changed, 11 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 1d3475fc9496..5f9d13929ae0 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1205,11 +1205,14 @@ config CGROUP_BPF
inet sockets.
config CGROUP_DEBUG
- bool "Example controller"
+ bool "Debug controller"
default n
+ depends on DEBUG_KERNEL
help
This option enables a simple controller that exports
- debugging information about the cgroups framework.
+ debugging information about the cgroups framework. This
+ controller is for control cgroup debugging only. Its
+ interfaces are not stable.
Say N.
diff --git a/kernel/cgroup/debug.c b/kernel/cgroup/debug.c
index 1c209aa43733..cbe77a2087c5 100644
--- a/kernel/cgroup/debug.c
+++ b/kernel/cgroup/debug.c
@@ -1,3 +1,9 @@
+/*
+ * Debug controller
+ *
+ * WARNING: This controller is for cgroup core debugging only.
+ * Its interfaces are unstable and subject to changes at any time.
+ */
#include <linux/ctype.h>
#include <linux/mm.h>
#include <linux/slab.h>