-.\" $OpenBSD: mbuf.9,v 1.72 2014/04/22 14:41:03 mpi Exp $
+.\" $OpenBSD: mbuf.9,v 1.73 2014/07/13 05:23:24 dlg Exp $
.\"
.\" Copyright (c) 2001 Jean-Jacques Bernard-Gundol <jjbg@openbsd.org>
.\" All rights reserved.
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: April 22 2014 $
+.Dd $Mdocdate: July 13 2014 $
.Dt MBUF 9
.Os
.Sh NAME
.Fa len
to the mbuf pointed to by
.Fa m .
-If
-.Fa ifp
-is passed in, then per-interface accounting for the mbuf will occur,
-and thus mbuf allocation can fail when limits are reached.
Returns either the mbuf
.Fa m
that was passed in, or the newly allocated one which was allocated; in