if ((fd = open("/dev/.systemd/readahead/shared", O_CREAT|O_RDWR|O_CLOEXEC, 0644)) < 0) {
log_error("Failed to create shared memory segment: %m");
goto finish;
if ((fd = open("/dev/.systemd/readahead/shared", O_CREAT|O_RDWR|O_CLOEXEC, 0644)) < 0) {
log_error("Failed to create shared memory segment: %m");
goto finish;