EFD_CLOEXEC       412 fs/eventfd.c   	BUILD_BUG_ON(EFD_CLOEXEC != O_CLOEXEC);
EFD_CLOEXEC        10 tools/perf/trace/beauty/eventfd.c #ifndef EFD_CLOEXEC
EFD_CLOEXEC       376 tools/testing/selftests/uevent/uevent_filtering.c 	sync_fd = eventfd(0, EFD_CLOEXEC);