#ifdef CONFIG_TRACING
enum ftrace_dump_mode;
-extern enum ftrace_dump_mode ftrace_dump_on_oops;
+#define MAX_TRACER_SIZE 100
+extern char ftrace_dump_on_oops[];
+extern int ftrace_dump_on_oops_enabled(void);
extern int tracepoint_printk;
extern void disable_trace_on_warning(void);