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-rw-r--r--drivers/xen/gntalloc.c3
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;