tag	line	file	source code
pr_pid	1052	fs/binfmt_elf.c	psinfo.pr_pid = prstatus.pr_pid = current->pid;
pr_pid	50	include/linux/elfcore.h	pid_t  pr_pid;
pr_pid	76	include/linux/elfcore.h	pid_t  pr_pid, pr_ppid, pr_pgrp, pr_sid;