From: David Miller <davem@davemloft.net>
To: claudiu.manoil@freescale.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 1/3][net-next] gianfar: Optimize struct gfar_priv_tx_q for two cache lines
Date: Tue, 29 Jan 2013 15:22:27 -0500 (EST) [thread overview]
Message-ID: <20130129.152227.957529528185001040.davem@davemloft.net> (raw)
In-Reply-To: <1359467712-32079-1-git-send-email-claudiu.manoil@freescale.com>
From: Claudiu Manoil <claudiu.manoil@freescale.com>
Date: Tue, 29 Jan 2013 15:55:10 +0200
> Resize and regroup structure members to eliminate memory holes and
> to pack the structure into 2 cache lines (from 3).
> tx_ring_size was resized from 4 to 2 bytes and few members were re-grouped
> in order to eliminate byte holes and achieve compactness.
> Where possible, few members were grouped according to their usage and access
> order (i.e. start_xmit vs. clean_tx_ring members), less important members
> were pushed at the end.
>
> Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Applied.
prev parent reply other threads:[~2013-01-29 20:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-29 13:55 [PATCH 1/3][net-next] gianfar: Optimize struct gfar_priv_tx_q for two cache lines Claudiu Manoil
2013-01-29 13:55 ` [PATCH 2/3][net-next] gianfar: Cleanup gfar_parse_group() code Claudiu Manoil
2013-01-29 13:55 ` [PATCH 3/3][net-next] gianfar: Pack struct gfar_priv_grp into three cachelines Claudiu Manoil
2013-01-29 14:35 ` David Laight
2013-01-29 15:19 ` Claudiu Manoil
2013-01-29 20:22 ` David Miller
2013-01-29 20:22 ` [PATCH 2/3][net-next] gianfar: Cleanup gfar_parse_group() code David Miller
2013-01-29 20:22 ` David Miller [this message]
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