tracing: Convert local function_graph functions to static

Local functions should be static.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 74d98820497cd58d13fbd4a53b4d3b5684c7e5be..f0a0c982cde38e8002269f56c091b6131b90a283 100644 (file)
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -353,7 +353,7 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
        return ret;
 }
 
-int trace_graph_thresh_entry(struct ftrace_graph_ent *trace)
+static int trace_graph_thresh_entry(struct ftrace_graph_ent *trace)
 {
        if (tracing_thresh)
                return 1;
@@ -442,7 +442,7 @@ void set_graph_array(struct trace_array *tr)
        smp_mb();
 }
 
-void trace_graph_thresh_return(struct ftrace_graph_ret *trace)
+static void trace_graph_thresh_return(struct ftrace_graph_ret *trace)
 {
        if (tracing_thresh &&
            (trace->rettime - trace->calltime < tracing_thresh))
@@ -475,7 +475,7 @@ static void graph_trace_reset(struct trace_array *tr)
        unregister_ftrace_graph();
 }
 
-int graph_trace_update_thresh(struct trace_array *tr)
+static int graph_trace_update_thresh(struct trace_array *tr)
 {
        graph_trace_reset(tr);
        return graph_trace_init(tr);
@@ -1435,7 +1435,7 @@ static void __print_graph_headers_flags(struct seq_file *s, u32 flags)
        seq_printf(s, "               |   |   |   |\n");
 }
 
-void print_graph_headers(struct seq_file *s)
+static void print_graph_headers(struct seq_file *s)
 {
        print_graph_headers_flags(s, tracer_flags.val);
 }