;; On GNU/Linux and Irix, the system's ping program seems to send packets
;; indefinitely unless told otherwise
(defcustom ping-program-options
- (and (memq system-type '(gnu/linux irix))
+ (and (eq system-type 'gnu/linux)
(list "-c" "4"))
"Options for the ping program.
These options can be used to limit how many ICMP packets are emitted."