LISTNS_CURRENT_USER
if (kls->user_ns_id != LISTNS_CURRENT_USER)
if (kls->user_ns_id == LISTNS_CURRENT_USER)
.user_ns_id = LISTNS_CURRENT_USER,
.user_ns_id = LISTNS_CURRENT_USER,
.user_ns_id = LISTNS_CURRENT_USER,