netdev - RE: [PATCH 3/3][net-next] gianfar: Pack struct gfar_priv

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Date:	Tue, 29 Jan 2013 14:35:13 -0000
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Claudiu Manoil" <claudiu.manoil@...escale.com>,
	<netdev@...r.kernel.org>
Cc:	"David S. Miller" <davem@...emloft.net>
Subject: RE: [PATCH 3/3][net-next] gianfar: Pack struct gfar_priv_grp into three cachelines

> * remove unused members(!): imask, ievent
> * move space consuming interrupt name strings (int_name_* members) to
> external structures, unessential for the driver's hot path
> * keep high priority hot path data within the first 2 cache lines
> 
> This reduces struct gfar_priv_grp from 6 to 3 cache lines.

Does it really matter where the message texts are allocated?
Provided they aren't intermixed with the 'hot' data.
Allocating them separately just seems over complicated.

	David



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