diff -r 9b0f278f919a -r a849bf3a6879 xen/include/public/hvm/hvm_op.h
--- a/xen/include/public/hvm/hvm_op.h	Wed Jan 05 19:05:50 2011 -0800
+++ b/xen/include/public/hvm/hvm_op.h	Wed Jan 05 19:15:08 2011 -0800
@@ -119,7 +119,7 @@ struct xen_hvm_set_mem_type {
     /* Domain to be updated. */
     domid_t domid;
     /* Memory type */
-    hvmmem_type_t hvmmem_type;
+    uint64_aligned_t hvmmem_type;
     /* First pfn. */
     uint64_aligned_t first_pfn;
     /* Number of pages. */