The crash command 'files -c' and 'files -p' fails with the message "option not supported or applicable on this architecture or kernel".

Issue

• Unable to display the number of pages that are in the page cache using crash command files -c.
• Unable to display a give inode pages that are in the page cache using crash command files -p.

crash> ps crond
   PID    PPID  CPU       TASK        ST  %MEM     VSZ    RSS  COMM
    918      1   0  ffff97f0f7778000  IN   0.1   36072   3652  crond

crash> files 918
PID: 918    TASK: ffff97f0f7778000  CPU: 0   COMMAND: "crond"
ROOT: /    CWD: /
 FD       FILE            DENTRY           INODE       TYPE PATH
  0 ffff97f0f3aade00 ffff97f0c780f840 ffff97f0fbabf9e8 CHR  /dev/null
  1 ffff97f0f3aada00 ffff97f0f9034c00 ffff97f0f0c3e6b0 SOCK UNIX
  2 ffff97f0f3aada00 ffff97f0f9034c00 ffff97f0f0c3e6b0 SOCK UNIX
  3 ffff97f0f6879200 ffff97f0f905e6c0 ffff97f0f0c3cdf0 SOCK UNIX
  4 ffff97f0f4138900 ffff97f0f910f240 ffff97f0fb749b28 UNKN inotify
  5 ffff97f0f3bda700 ffff97f0f910f900 ffff97f0f917f730 SOCK UNIX
  6 ffff97f0f3bdad00 ffff97f0f94c1e40 ffff97f0f96517b8 REG  /var/lib/sss/mc/passwd

crash> files -c 918
files: -c option not supported or applicable on this architecture or kernel

crash> files -p ffff97f0f96517b8
files: -p option not supported or applicable on this architecture or kernel