194 static int epollfd;  variable
830     if (epoll_ctl(epollfd, EPOLL_CTL_DEL, data_sock[dsock_idx].sock, &epev) == -1) {  in ctrl_data_close()
978     if (epoll_ctl(epollfd, EPOLL_CTL_ADD, data_sock[free_dscock_idx].sock, &epev) == -1) {  in ctrl_connect_handler()
1762     if (register_psi_monitor(epollfd, fd, &vmpressure_hinfo[level]) < 0) {  in init_mp_psi()
1775     if (unregister_psi_monitor(epollfd, fd) < 0) {  in destroy_mp_psi()
1846     ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, evfd, &epev);  in init_mp_common()
1876     epollfd = epoll_create(MAX_EPOLL_EVENTS);  in init()
1877     if (epollfd == -1) {  in init()
1902     if (epoll_ctl(epollfd, EPOLL_CTL_ADD, ctrl_sock.sock, &epev) == -1) {  in init()
1963             nevents = epoll_wait(epollfd, events, maxevents, delay);  in mainloop()
1973             nevents = epoll_wait(epollfd, events, maxevents, -1);  in mainloop()