M_NETGRAPH_TAG
hip = kmalloc(sizeof(*hip), M_NETGRAPH_TAG, M_WAITOK | M_ZERO);
kfree(hip, M_NETGRAPH_TAG);
kfree(hip, M_NETGRAPH_TAG);
kfree(hip->in, M_NETGRAPH_TAG);
kfree(hip->out, M_NETGRAPH_TAG);
kfree(hip, M_NETGRAPH_TAG);
hp = kmalloc(size, M_NETGRAPH_TAG, M_WAITOK);
kfree(hip->in, M_NETGRAPH_TAG);
hp = kmalloc(size, M_NETGRAPH_TAG, M_WAITOK);
kfree(hip->out, M_NETGRAPH_TAG);
MALLOC_DEFINE(M_NETGRAPH_TAG, "netgraph_tag", "netgraph tag node ");