--- zzzz-none-000/linux-4.4.271/include/uapi/linux/types.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/uapi/linux/types.h	2023-04-19 10:22:30.000000000 +0000
@@ -39,6 +39,8 @@
 typedef __u16 __bitwise __sum16;
 typedef __u32 __bitwise __wsum;
 
+typedef unsigned __bitwise __poll_t;
+
 /*
  * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
  * common 32/64-bit compat problems.