On Wed, 4 Sep 2024, Xi Ruoyao wrote: > Yes, I just mean *changing* the include file is not explained and it > seems an error. I'm not familiar with ancient kernels but AFAIK for > using __u32 etc. we should use linux/types.h since Linux 1.2. As I say the use of __u32, etc. is not needed here in the first place. Maciej