nv_mem_free
nv_mem_free(&nvpriv, buf, alloc_size);
nv_mem_free(priv, tab, priv->nvp_nbuckets * sizeof (i_nvp_t *));
nv_mem_free(priv, priv, sizeof (nvpriv_t));
nv_mem_free(priv, NVPAIR2I_NVP(nvp), nvsize);
nv_mem_free(priv, nvl, NV_ALIGN(sizeof (nvlist_t)));
nv_mem_free(priv, priv, sizeof (nvpriv_t));