init_task_pid
(blk_info.task.pid == con->init_task_pid) &&
con->init_task_pid = task_pid_nr(current);
pid_t init_task_pid;
init_task_pid(p, PIDTYPE_PID, pid);
init_task_pid(p, PIDTYPE_TGID, pid);
init_task_pid(p, PIDTYPE_PGID, task_pgrp(current));
init_task_pid(p, PIDTYPE_SID, task_session(current));
init_task_pid(idle, type, &init_struct_pid);