Messages in this thread | | | Date | Wed, 23 Apr 2008 15:49:53 -0700 (PDT) | Subject | Re: [PATCH v2] Re: WAN: new PPP code for generic HDLC | From | David Miller <> |
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From: Krzysztof Halasa <khc@pm.waw.pl> Date: Wed, 23 Apr 2008 19:02:22 +0200
> netdev_priv() was introduced at some point in time to allow > alloc_netdev() to optionally allocate additional memory for internal > use by the driver. It had nothing to do with dev->priv except "priv" > name. The drivers don't use it passing size 0.
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.
It was never meant to provide a facility to have two private areas associated with a device, but unfortunately some broken stuff decided to use it that way.
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