--- src/sys/vm/vm_pager.c	2006/04/30 18:52:37	1.21
+++ src/sys/vm/vm_pager.c	2006/05/03 20:44:49	1.22
@@ -325,6 +325,8 @@ initpbuf(struct buf *bp)
 	bp->b_flags = B_PAGING;
 	bp->b_cmd = BUF_CMD_DONE;
 	bp->b_error = 0;
+	bp->b_bcount = 0;
+	bp->b_bufsize = MAXPHYS;
 	initbufbio(bp);
 	xio_init(&bp->b_xio);
 	BUF_LOCK(bp, LK_EXCLUSIVE);