xencomm: Fix a trivial warning.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>

diff --git a/xen/common/xencomm.c b/xen/common/xencomm.c
index 135e3d93a5a0b13bf5ce1c899785d96e3b4e73d6..c1e32bb0de2b97d94d9cdfd76ba575936d607870 100644 (file)
--- a/xen/common/xencomm.c
+++ b/xen/common/xencomm.c
@@ -323,7 +323,7 @@ xencomm_copy_chunk_to(
                (unsigned long)xencomm_vaddr(paddr, page));
 
     memcpy(xencomm_vaddr(paddr, page), (void *)from, len);
-    xencomm_mark_dirty(xencomm_vaddr(paddr, page), len);
+    xencomm_mark_dirty((unsigned long)xencomm_vaddr(paddr, page), len);
     put_page(page);
 
     return 0;