Skip test if kcmp() is not available, for example if kernel is compiled
without CONFIG_CHECKPOINT_RESTORE=y.
Signed-off-by: NTommi Rantala <tommi.t.rantala@nokia.com>
Acked-by: NChristian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: NShuah Khan <skhan@linuxfoundation.org>