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authorWaiman Long <longman@redhat.com>2017-06-13 17:18:03 -0400
committerTejun Heo <tj@kernel.org>2017-06-14 16:01:21 -0400
commit23b0be480f341db26ce0dee7d3f6e67f8e0e166f (patch)
tree28ec492dab32259f44cf16066f955b341c2ffe99
parenta28f8f5e995fe5964ae304444913536058f26e37 (diff)
downloadlinux-23b0be480f341db26ce0dee7d3f6e67f8e0e166f.tar.bz2
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 <longman@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
-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>