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-rw-r--r--kernel/trace/trace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c5e1d8865fe4..336324d717f8 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -737,6 +737,9 @@ static inline void trace_branch_disable(void)
}
#endif /* CONFIG_BRANCH_TRACER */
+/* set ring buffers to default size if not already done so */
+int tracing_update_buffers(void);
+
/* trace event type bit fields, not numeric */
enum {
TRACE_EVENT_TYPE_PRINTF = 1,