linux-kernel - Re: [PATCH net-next] netlabel: Reorder fields in 'struct netlbl_domaddr6

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Message-ID: <ZJBphdB/7k0Hk8y2@nanopsycho>
Date:   Mon, 19 Jun 2023 16:43:17 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Paul Moore <paul@...l-moore.com>,
        "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,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH net-next] netlabel: Reorder fields in 'struct
 netlbl_domaddr6_map'

Sun, Jun 18, 2023 at 12:16:41PM CEST, christophe.jaillet@...adoo.fr wrote:
>Group some variables based on their sizes to reduce hole and avoid padding.
>On x86_64, this shrinks the size of 'struct netlbl_domaddr6_map'
>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: Jiri Pirko <jiri@...dia.com>