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-rw-r--r--include/linux/ftrace.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 4807a39e7ae1..18fb2c4a3f7f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -760,6 +760,7 @@ extern char __irqentry_text_end[];
extern int register_ftrace_graph(trace_func_graph_ret_t retfunc,
trace_func_graph_ent_t entryfunc);
+extern bool ftrace_graph_is_dead(void);
extern void ftrace_graph_stop(void);
/* The current handlers in use */