netdev - Re: [PATCH] net: neigh: make ->hh

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Message-Id: <20170412.135933.1467285428701876235.davem@davemloft.net>
Date:   Wed, 12 Apr 2017 13:59:33 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     adobriyan@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] net: neigh: make ->hh_len 32-bit

From: Alexey Dobriyan <adobriyan@...il.com>
Date: Mon, 10 Apr 2017 11:11:17 +0300

> Using 16-bit ->hh_len doesn't save any memory, save some .text instead:
> 
> 	add/remove: 0/0 grow/shrink: 1/6 up/down: 2/-19 (-17)
> 	function                                     old     new   delta
> 	neigh_update                                2312    2314      +2
> 	fwnet_header_cache                           199     197      -2
> 	eth_header_cache                             101      99      -2
> 	ip6_finish_output2                          2371    2368      -3
> 	vrf_finish_output6                          1522    1518      -4
> 	vrf_finish_output                           1413    1409      -4
> 	ip_finish_output2                           1627    1623      -4
> 
> Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>

Applied.