Re: [PATCH net-next] mctp: Reorder fields in 'struct mctp_route'

From: Jeremy Kerr
Date: Mon Jun 19 2023 - 10:15:04 EST


Hi Christoph,

> Group some variables based on their sizes to reduce hole and avoid
> padding. On x86_64, this shrinks the size of 'struct mctp_route' from
> 72 to 64 bytes.
>
> It saves a few bytes of memory and is more cache-line friendly.

The savings will be fairly minimal, but this doesn't affect readability
for the route struct. LGTM.

Acked-by: Jeremy Kerr <jk@xxxxxxxxxxxxxxxxxxxx>

Thanks!


Jeremy