[RFC PATCH] bpf: bpf_perf_event_sample_control_proto can be static

[kbuild test robot]

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 bpf_trace.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index f261333..ade24a1 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -236,7 +236,7 @@ static u64 bpf_perf_event_sample_control(u64 r1, u64 index, u64 flag, u64 r4, u6
 	return 0;
 }
 
-const struct bpf_func_proto bpf_perf_event_sample_control_proto = {
+static const struct bpf_func_proto bpf_perf_event_sample_control_proto = {
 	.func		= bpf_perf_event_sample_control,
 	.gpl_only	= false,
 	.ret_type	= RET_INTEGER,
--
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