M_NFSSOCKREQ
nrp = malloc(sizeof(*nrp), M_NFSSOCKREQ, M_WAITOK | M_ZERO);
nrp = malloc(sizeof(*nrp), M_NFSSOCKREQ, M_WAITOK | M_ZERO);
free(nrp, M_NFSSOCKREQ);
free(dsp->nfsclds_sockp, M_NFSSOCKREQ);