taglinefilesource code
video_scan_lines178drivers/char/console.cunsigned long  video_scan_lines;  /* Number of scan lines on screen */
video_scan_lines2166drivers/char/console.cvideo_scan_lines = video_font_height * video_num_lines;
video_scan_lines2168drivers/char/console.cvideo_font_height, video_scan_lines);
video_scan_lines2635drivers/char/console.crows = video_scan_lines/fontheight;  /* Number of video rows we end up with */
video_scan_lines83drivers/char/vt.cextern unsigned long video_scan_lines;
video_scan_lines890drivers/char/vt.cvlin = vlin ? vlin : video_scan_lines;
video_scan_lines916drivers/char/vt.cvideo_scan_lines = vlin;