Re: [PATCH] bitfield.h: add FIELD_MAX() and field_max()

[Jakub Kicinski]

On Fri, 28 Feb 2020 12:06:09 -0600 Alex Elder wrote:
> On 2/28/20 12:04 PM, Alex Elder wrote:
> > 
> > 
> > I find field_max() to be a good name for what I'm looking for.  
> 
> Sorry I wanted to add this but clicked "send" too fast.
> 
> Yes it's the same as field_mask(), but that name only *implies*
> it is the same as the maximum value.  I mean, they're the same,
> but the name I'm suggesting conveys its purpose better.

We got FIELD_FIT tho.. The comparison is part of the macro there, 
and it catches negative values if they manage to sneak in.