diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 40d5122..8f2251d 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -507,3 +507,4 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(m2p_find_override_pfn);