lmpl_owner
new->lmpl_owner = kmem_alloc(len, KM_SLEEP);
bcopy(id, new->lmpl_owner, len);
ASSERT(pid == *(pid_t *)new->lmpl_owner);
bcmp(cur->lmpl_owner, new->lmpl_owner, len) == 0) {
kmem_free(new->lmpl_owner, len);
bcmp(cur->lmpl_owner, id, cur->lmpl_own_len) == 0)) {
bcopy(cur->lmpl_owner, rid, cur->lmpl_own_len);
kmem_free(cur->lmpl_owner, cur->lmpl_own_len);