diff --git a/sys/kern/kern_mbuf.c b/sys/kern/kern_mbuf.c
--- a/sys/kern/kern_mbuf.c
+++ b/sys/kern/kern_mbuf.c
@@ -1526,6 +1526,16 @@
 		mb = m_free(mb);
 }
 
+/*
+ * Temporary primitive to allow freeing without going through m_free.
+ */
+void
+m_free_raw(struct mbuf *mb)
+{
+
+	uma_zfree(zone_mbuf, mb);
+}
+
 int
 m_snd_tag_alloc(struct ifnet *ifp, union if_snd_tag_alloc_params *params,
     struct m_snd_tag **mstp)
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h
--- a/sys/sys/mbuf.h
+++ b/sys/sys/mbuf.h
@@ -825,6 +825,7 @@
 u_int		 m_fixhdr(struct mbuf *);
 struct mbuf	*m_fragment(struct mbuf *, int, int);
 void		 m_freem(struct mbuf *);
+void		 m_free_raw(struct mbuf *);
 struct mbuf	*m_get2(int, int, short, int);
 struct mbuf	*m_getjcl(int, short, int, int);
 struct mbuf	*m_getm2(struct mbuf *, int, int, short, int);