linux-kernel - device struct bloat

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Message-ID: <20071103124823.6059640e@shemminger-laptop>
Date:	Sat, 3 Nov 2007 12:48:23 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Greg KH <greg@...ah.com>
Cc:	linux-kernel@...r.kernel.org
Subject: device struct bloat

The sizeof(struct device) is way too big, especially in the network device case.
We want to support 1000's of device's and the change from class_device to
net_device has caused needless bloat.

sizeof(struct device) = 272
sizeof(struct class_device) = 92
  * not the class_id in class_device could also be removed or changed to
     a ptr, since it is redundant for net_devices.

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