From: Simon Horman <simon.horman@corigine.com>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Jeremy Kerr <jk@codeconstruct.com.au>,
Matt Johnston <matt@codeconstruct.com.au>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next] mctp: Reorder fields in 'struct mctp_route'
Date: Mon, 19 Jun 2023 16:04:32 +0200 [thread overview]
Message-ID: <ZJBgcOWNJiSpf+4K@corigine.com> (raw)
In-Reply-To: <393ad1a5aef0aa28d839eeb3d7477da0e0eeb0b0.1687080803.git.christophe.jaillet@wanadoo.fr>
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@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
next prev parent reply other threads:[~2023-06-19 14:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-18 9:33 [PATCH net-next] mctp: Reorder fields in 'struct mctp_route' Christophe JAILLET
2023-06-19 14:04 ` Simon Horman [this message]
2023-06-19 14:06 ` Jeremy Kerr
2023-06-19 14:41 ` Jiri Pirko
2023-06-21 3:40 ` patchwork-bot+netdevbpf
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