diff -dur -x '*~' linux-2.6.18.orig/drivers/xen/netback/common.h linux-2.6.18/drivers/xen/netback/common.h
--- linux-2.6.18.orig/drivers/xen/netback/common.h      2007-06-04 12:48:35.000000000 +0000
+++ linux-2.6.18/drivers/xen/netback/common.h   2007-06-04 12:52:16.000000000 +0000
@@ -78,8 +78,8 @@
        int features;

        /* Internal feature information. */
-       int can_queue:1;        /* can queue packets for receiver? */
-       int copying_receiver:1; /* copy packets to receiver?       */
+       unsigned can_queue:1;   /* can queue packets for receiver? */
+       unsigned copying_receiver:1;    /* copy packets to receiver?       */

        /* Allow netif_be_start_xmit() to peek ahead in the rx request ring. */
        RING_IDX rx_req_cons_peek;