MAX_SHR_OWNER_LEN
buf = kmem_alloc(MAX_SHR_OWNER_LEN, KM_SLEEP);
kmem_free(buf, MAX_SHR_OWNER_LEN);
ASSERT(len < MAX_SHR_OWNER_LEN);
ASSERT(cur->lmpl_own_len < MAX_SHR_OWNER_LEN);
