partcmd_update
if (cmd == partcmd_update) {
if ((old_prs != new_prs) && (cmd != partcmd_update)) {
if ((old_prs != new_prs) && (cmd == partcmd_update))
if ((cmd == partcmd_update) && !newmask)
update_parent_effective_cpumask(cp, partcmd_update, NULL, tmp);
update_parent_effective_cpumask(cs, partcmd_update,
partcmd = partcmd_update;