set_task_pgrp     356 kernel/exit.c  		set_task_pgrp(curr, nr);
set_task_pgrp    1234 kernel/fork.c  			set_task_pgrp(p, task_pgrp_nr(current));
set_task_pgrp     967 kernel/sys.c   		set_task_pgrp(p, pid_nr(pgrp));