cgroup: Make Kconfig prompt of debug cgroup more accurate

The Kconfig prompt and description of the debug cgroup controller more accurate by saying that it is for debug purpose only and its interfaces are unstable. Signed-off-by: Waiman Long <[email protected]> Signed-off-by: Tejun Heo <[email protected]>
kyagi · Jun 14, 2017 · 23b0be4 · 23b0be4
1 parent a28f8f5
commit 23b0be4
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git 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
@@ -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>