task_pgrp_nr_ns
inp->ih.pgid = task_pgrp_nr_ns(current, &init_pid_ns);
seq_put_decimal_ull(m, "\t", task_pgrp_nr_ns(p, pid->numbers[g].ns));
pgid = task_pgrp_nr_ns(task, ns);
return task_pgrp_nr_ns(tsk, &init_pid_ns);