NPF_STATS_SIZE
percpu_free(npf->stats_percpu, NPF_STATS_SIZE);
memset(buf, 0, NPF_STATS_SIZE);
npf->stats_percpu = percpu_alloc(NPF_STATS_SIZE);
fullst = kmem_alloc(NPF_STATS_SIZE, KM_SLEEP);
error = copyout(fullst, uptr, NPF_STATS_SIZE);
kmem_free(fullst, NPF_STATS_SIZE);
uint64_t *st = ecalloc(1, NPF_STATS_SIZE);