[Drbd-dev] [PATCH net-next 03/10] genetlink: remove userhdr from struct genl_info

[Jakub Kicinski]

On Wed, 09 Aug 2023 22:59:47 +0200 Johannes Berg wrote:
> On Wed, 2023-08-09 at 11:26 -0700, Jakub Kicinski wrote:
> > Only three families use info->userhdr and fixed headers
> > are discouraged for new families. So remove the pointer
> > from struct genl_info to save some space. Compute
> > the header pointer at runtime. Saved space will be used
> > for a family pointer in later patches.  
> 
> Seems fine to me, but I'm not sure I buy the rationale that it's for
> saving space - it's a single pointer on the stack? I'd probably argue
> the computation being pointless for basically everyone except for a
> handful users?

Fair, I'll update all the commit messages.

> Reviewed-by: Johannes Berg <johannes at sipsolutions.net>

Thanks!