detach_pid        856 fs/exec.c      		detach_pid(tsk, PIDTYPE_PID);
detach_pid         94 include/linux/pid.h extern void detach_pid(struct task_struct *task, enum pid_type);
detach_pid         66 kernel/exit.c  	detach_pid(p, PIDTYPE_PID);
detach_pid         68 kernel/exit.c  		detach_pid(p, PIDTYPE_PGID);
detach_pid         69 kernel/exit.c  		detach_pid(p, PIDTYPE_SID);