diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 26790212ceb74acd795bc96863953ac87e82733e..02daa5918281ac18e5c0461d0eeaa743a4b667f2 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -9187,7 +9187,7 @@ init_tracer_tracefs(struct trace_array *tr, struct dentry *d_tracer)
 
 	tr->buffer_percent = 50;
 
-	trace_create_file("buffer_percent", TRACE_MODE_READ, d_tracer,
+	trace_create_file("buffer_percent", TRACE_MODE_WRITE, d_tracer,
 			tr, &buffer_percent_fops);
 
 	create_trace_options_dir(tr);