Re: [PATCH 29/46] kernel: Mark functions as static in trace/trace_functions_graph.c

[Steven Rostedt]

On Thu, 27 Feb 2014 17:40:11 +0530
Rashika Kheria <rashika.kheria@xxxxxxxxx> wrote:

> Mark functions as static in kernel/trace/trace_functions_graph.c because
> they are not used outside this file.
> 
> This eliminates the following warning in
> kernel/trace/trace_functions_graph.c:
> kernel/trace/trace_functions_graph.c:333:5: warning: no previous prototype for âtrace_graph_thresh_entryâ [-Wmissing-prototypes]
> kernel/trace/trace_functions_graph.c:422:6: warning: no previous prototype for âtrace_graph_thresh_returnâ [-Wmissing-prototypes]
> kernel/trace/trace_functions_graph.c:1408:6: warning: no previous prototype for âprint_graph_headersâ [-Wmissing-prototypes]
> 
> Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

-- Steve


> ---
>  kernel/trace/trace_functions_graph.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
> index 0b99120..9e9b5c2 100644
> --- a/kernel/trace/trace_functions_graph.c
> +++ b/kernel/trace/trace_functions_graph.c
> @@ -330,7 +330,7 @@ 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;
> @@ -419,7 +419,7 @@ 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))
> @@ -1405,7 +1405,7 @@ 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);
>  }

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