Re: [RFC]: Support for zero-copy TCP transmit of user space data

[Andi Kleen]

Vladislav Bolkhovitin <vst@xxxxxxxx> writes:
>
>  - Although usage of struct page to keep network related pointer might
> look as a layering violation, it isn't. I wrote in
> http://lkml.org/lkml/2008/12/15/190 why.

Sorry but extending struct page for this is really a bad idea because
of the extreme memory overhead even when it's not used (which is a 
problem on distribution kernels) Find some other way to store this
information.  Even for patches with more general value it was not
acceptable.

-Andi


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