1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index e53fe191738c..14370df9ac1c 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -142,7 +142,8 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op,
 
                 /* Grant foreign access to the page. */
                 rc = gnttab_grant_foreign_access(op->domid,
-                        pfn_to_mfn(page_to_pfn(gref->page)), readonly);
+                                                 xen_page_to_gfn(gref->page),
+                                                 readonly);
                 if (rc < 0)
                         goto undo;
                 gref_ids[i] = gref->gref_id = rc;