online_heartbeat 535 drivers/misc/sgi-xp/xpc.h void (*online_heartbeat) (void); online_heartbeat 1190 drivers/misc/sgi-xp/xpc_main.c xpc_arch_ops.online_heartbeat(); online_heartbeat 1695 drivers/misc/sgi-xp/xpc_uv.c .online_heartbeat = xpc_online_heartbeat_uv,