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-rw-r--r--include/linux/ftrace.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index e8921871ef9a..54d53f345d14 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1151,7 +1151,9 @@ static inline void unpause_graph_tracing(void) { }
#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);