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-rw-r--r--kernel/trace/trace.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c8c687088b4..cb2c3fb7dd5 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -369,4 +369,6 @@ enum trace_iterator_flags {
TRACE_ITER_PRINTK = 0x400,
};
+extern struct tracer nop_trace;
+
#endif /* _LINUX_KERNEL_TRACE_H */