--- libev/Changes	2019/11/22 14:35:27	1.346
+++ libev/Changes	2019/11/22 19:54:38	1.347
@@ -4,6 +4,9 @@
 TODO: maybe use timerfd to detect time jumps on linux
 TODO: document EV_TSTAMP_T
 
+	- change non-autoconf test for __kernel_rwf_t by testing
+          LINUX_VERSION_CODE, the most direct test I could find.
+
 4.29 (EV only)
 	- add io uring autoconf and non-autoconf detection.
         - disable io_uring when some header files are too old.