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

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Message-ID: <ZJBgcOWNJiSpf+4K@corigine.com>
Date: Mon, 19 Jun 2023 16:04:32 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Jeremy Kerr <jk@...econstruct.com.au>,
	Matt Johnston <matt@...econstruct.com.au>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] mctp: Reorder fields in 'struct mctp_route'

On Sun, Jun 18, 2023 at 11:33:55AM +0200, Christophe JAILLET wrote:
> 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.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Simon Horman <simon.horman@...igine.com>