--- linux-2.6.38.x86_64/arch/x86/xen/p2m.c.orig	2011-03-15 19:51:44.000000000 +0000
+++ linux-2.6.38.x86_64/arch/x86/xen/p2m.c	2011-03-15 20:38:38.000000000 +0000
@@ -557,6 +557,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(m2p_add_override);
 
 int m2p_remove_override(struct page *page, bool clear_pte)
 {
@@ -594,6 +595,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(m2p_remove_override);
 
 struct page *m2p_find_override(unsigned long mfn)
 {