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-rw-r--r--include/linux/ftrace.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 20899919ead8..25e2995d4a4c 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -741,6 +741,8 @@ struct ftrace_graph_ret {
typedef void (*trace_func_graph_ret_t)(struct ftrace_graph_ret *); /* return */
typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */
+extern int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
+
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
struct fgraph_ops {