diff --git a/[refs] b/[refs]
index 0e3c3cb8a84b..9c88b1d457f6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bc0c081b0e7a4afc4d2c7bc0666f5cd169e96814
+refs/heads/master: efe08a3eecf15ab022afba48c691d02c7de2fbbb
diff --git a/trunk/drivers/xen/blkback/blkback.c b/trunk/drivers/xen/blkback/blkback.c
index cb844f734d91..7c9421cc5991 100644
--- a/trunk/drivers/xen/blkback/blkback.c
+++ b/trunk/drivers/xen/blkback/blkback.c
@@ -99,9 +99,11 @@ static inline int vaddr_pagenr(pending_req_t *req, int seg)
 	return (req - pending_reqs) * BLKIF_MAX_SEGMENTS_PER_REQUEST + seg;
 }
 
+#define pending_page(req, seg) pending_pages[vaddr_pagenr(req, seg)]
+
 static inline unsigned long vaddr(pending_req_t *req, int seg)
 {
-	unsigned long pfn = page_to_pfn(pending_pages[vaddr_pagenr(req, seg)]);
+	unsigned long pfn = page_to_pfn(pending_page(req, seg));
 	return (unsigned long)pfn_to_kaddr(pfn);
 }
 
@@ -463,8 +465,8 @@ static void dispatch_rw_block_io(blkif_t *blkif,
 		if (ret)
 			continue;
 
-		set_phys_to_machine(__pa(vaddr(
-			pending_req, i)) >> PAGE_SHIFT,
+		set_phys_to_machine(
+			page_to_pfn(pending_page(pending_req, i)),
 			FOREIGN_FRAME(map[i].dev_bus_addr >> PAGE_SHIFT));
 		seg[i].buf  = map[i].dev_bus_addr |
 			(req->seg[i].first_sect << 9);
@@ -495,7 +497,7 @@ static void dispatch_rw_block_io(blkif_t *blkif,
 
 		while ((bio == NULL) ||
 		       (bio_add_page(bio,
-				     virt_to_page(vaddr(pending_req, i)),
+				     pending_page(pending_req, i),
 				     seg[i].nsec << 9,
 				     seg[i].buf & ~PAGE_MASK) == 0)) {
 			if (bio) {