netdev - Re: [PATCH] phylib: update mdiobus_alloc() to allocate extra private space

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Message-ID: <8ABCAC4C-1D11-41AD-AE46-96EB9D40588D@freescale.com>
Date:	Thu, 15 Dec 2011 12:06:01 -0500
From:	Andy Fleming <afleming@...escale.com>
To:	Timur Tabi <timur@...escale.com>
CC:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linuxppc-dev@...abs.org>
Subject: Re: [PATCH] phylib: update mdiobus_alloc() to allocate extra private space


On Dec 15, 2011, at 11:51 AM, Timur Tabi wrote:

> Augment mdiobus_alloc() to take a parameter indicating the number of extra
> bytes to allocate for private data.  Almost all callers of mdiobus_alloc()
> separately allocate a private data structure.  By allowing mdiobus_alloc()
> to allocate extra memory, the two allocations can be merged into one.
> 
> This patch does not change any of the callers to actually take advantage
> of this feature, however.  That change can be made by the individual
> maintainers at their leisure.  For now, all callers ask for zero additional
> bytes, which mimics the previous behavior.


Why? Doesn't this just obfuscate things a little, while providing no immediate benefit?

Andy
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