On Sep 26, 2006, at 12:22 AM, Tom Spindler wrote:

>> Modified Files:
>> 	src/sys/sys: param.h
>>
>> Log Message:
>> Update __NetBSD_Version__ comment... it's 4.99.3. (hi dogcow!)
>
> Heh. Is there anything else that needs to get changed in a kernel
> version bump? For that matter, do we document exactly what  
> necessitates
> a version bump in the first place?

Basically, if you change an API (changing the name of the functions)  
or an ABI (changing a structure, or the parameters of a function)  
that's public (either for userspace programs or for LKMs *cough*)  
needs a version bump.

--
Rui Paulo