(gdb) print *nvp
$1 = {
  v_uobj = {
    vmobjlock = {
      u = {
        mtxa_owner = 0
      } 
    },
    pgops = 0xc09e88e0,
    memq = {
      tqh_first = 0x0,
      tqh_last = 0xcbcf7688
    },
    uo_npages = 0,
    uo_refs = 1,
    rb_tree = {
      rbt_root = 0x0,
      rbt_ops = 0xc09e8804,
      rbt_minmax = {0xcbcf7698, 0xcbcf7698}
    } 
  },
  v_cv = {
    cv_opaque = {0x0, 0xcbcf76a8},
    cv_wmesg = 0xc0a628b3 "vnode"
  },
  v_size = 0,
  v_writesize = 0,
  v_iflag = 524288,
  v_vflag = 16,
  v_uflag = 0,
  v_numoutput = 0,
  v_writecount = 0,
  v_holdcnt = 0,
  v_synclist_slot = 12,
  v_mount = 0xcb6f1660,
  v_op = 0xc147be00,
  v_freelist = {
    tqe_next = 0x0,
    tqe_prev = 0xcb720348
  },  
  v_freelisthd = 0x0,
  v_mntvnodes = {
    tqe_next = 0x0,
    tqe_prev = 0xcbcf77ac
  },  
  v_cleanblkhd = {
    lh_first = 0x0
  },
  v_dirtyblkhd = {
    lh_first = 0x0
  },
  v_synclist = {
    tqe_next = 0x0,
    tqe_prev = 0xc1475860
  },
  v_dnclist = {
    lh_first = 0x0
  },
  v_nclist = {
    lh_first = 0x0
  },
  v_un = {
    vu_mountedhere = 0x0,
    vu_socket = 0x0,
    vu_specnode = 0x0,
    vu_fifoinfo = 0x0,
    vu_ractx = 0x0
  },
  v_type = VREG,
  v_tag = VT_NON,
  v_lock = {
    vl_lock = {
      rw_owner = 3419384356
    },
    vl_canrecurse = 0,
    vl_recursecnt = 0
  },
  v_vnlock = 0xcbcf7720,
  v_data = 0x0,
  v_klist = {
    slh_first = 0x0
  }   
}