--- zzzz-none-000/linux-4.4.60/include/uapi/linux/types.h 2017-04-08 07:53:53.000000000 +0000 +++ jet-2400-727/linux-4.4.60/include/uapi/linux/types.h 2021-03-17 14:36:41.000000000 +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.