update_parent_effective_cpumask
update_parent_effective_cpumask(cp, partcmd_update, NULL, tmp);
update_parent_effective_cpumask(cs, partcmd_invalidate,
update_parent_effective_cpumask(cs, partcmd_update,
err = update_parent_effective_cpumask(cs, cmd, NULL, &tmpmask);
update_parent_effective_cpumask(cs, partcmd_disable,
update_parent_effective_cpumask(cs, partcmd, NULL, tmp);