diff --git a/[refs] b/[refs]
index 05f54c27b0b1..f0e58ad3dec9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3632ef8909118db9584e1bed9538dc180adb32f8
+refs/heads/master: de23be5f3580f7b9b52cad6633bb3a3cd13abafe
diff --git a/trunk/arch/x86/xen/mmu.c b/trunk/arch/x86/xen/mmu.c
index 7575e55cd52e..5e92b61ad574 100644
--- a/trunk/arch/x86/xen/mmu.c
+++ b/trunk/arch/x86/xen/mmu.c
@@ -201,6 +201,7 @@ xmaddr_t arbitrary_virt_to_machine(void *vaddr)
 	offset = address & ~PAGE_MASK;
 	return XMADDR(((phys_addr_t)pte_mfn(*pte) << PAGE_SHIFT) + offset);
 }
+EXPORT_SYMBOL_GPL(arbitrary_virt_to_machine);
 
 void make_lowmem_page_readonly(void *vaddr)
 {