Wed, Aug 09, 2023 at 08:26:41PM CEST, kuba@kernel.org 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.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Reviewed-by: Jiri Pirko <redacted>

I'm fine with the existing message, but what Johannes suggests is also
ok.