diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index 0b02fa16c6bf..1f3004fe7d03 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -55,6 +55,7 @@ void start_backtrace(struct stackframe *frame, unsigned long fp,
 	frame->prev_fp = 0;
 	frame->prev_type = STACK_TYPE_UNKNOWN;
 }
+EXPORT_SYMBOL_GPL(start_backtrace);
 
 /*
  * Unwind from one frame record (A) to the next frame record (B).