tag	line	file	source code
PROC_PID_MAPS	1157	fs/proc/array.c	case PROC_PID_MAPS:
PROC_PID_MAPS	146	fs/proc/base.c	PROC_PID_MAPS, 4, "maps",
PROC_PID_MAPS	231	fs/proc/inode.c	case PROC_PID_MAPS: