From: Krzysztof Halasa <khc@pm.waw.pl>
Date: Thu, 24 Apr 2008 02:48:29 +0200

quoted text
> David Miller <davem@davemloft.net> writes:
> 
> > No, it was added as an optimization since the private
> > area was allocated together with the struct netdev, and
> > thus at a constant offset computable a compile time.
> 
> That's essentially what I meant. And it has changed, call it whatever
> you wish.

The core kernel code sets dev->priv to the alloc_netdev() allocated
memory region.

It doesn't do that just for fun.

Any code which overrides that setting is asking for trouble.
What if the code kernel code that set it, needed to use it
during device release for some reason?
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