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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZJBhUDrMxv7nT4AV@corigine.com>
Date: Mon, 19 Jun 2023 16:08:16 +0200
From: Simon Horman <simon.horman@...igine.com>
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'

On Sun, Jun 18, 2023 at 12:16:41PM +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 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: Simon Horman <simon.horman@...igine.com>