On Thu, Nov 27, 2014 at 11:39 AM, matthew green <m...@eterna.com.au> wrote: > hiding stuff inside an alloc doesn't really help much when the > kernel code needs to access the structure anyway, unless you > also hide all accesses to the structure inside functions.
Right. And some members, including this if_slowtimo_ch, are internal to if.c, which don't affect ABI except struct size.
