1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h
index c9ff27f3ac3a..b5e189b1519d 100644
--- a/arch/x86/xen/mmu.h
+++ b/arch/x86/xen/mmu.h
@@ -3,6 +3,13 @@
 #include <linux/linkage.h>
 #include <asm/page.h>
 
+enum pt_level {
+        PT_PGD,
+        PT_PUD,
+        PT_PMD,
+        PT_PTE
+};
+
 /*
  * Page-directory addresses above 4GB do not fit into architectural %cr3.
  * When accessing %cr3, or equivalent field in vcpu_guest_context, guests