Re: New net features for added performance

[Rusty Russell]

In message <[EMAIL PROTECTED]> you write:
> Jeff Garzik <[EMAIL PROTECTED]> writes:
> 
> > Advantages:  A de-allocation immediately followed by a reallocation is
> > eliminated, less L1 cache pollution during interrupt handling. 
> > Potentially less DMA traffic between card and host.
> > 
> > Disadvantages?
> 
> You need a new mechanism to cope with low memory situations because the 
> drivers can tie up quite a bit of memory (in fact you gave up unified
> memory management). 

Also, you still need to "clean" the skb (it can hold device and nfct
references).

Rusty.
--
Premature optmztion is rt of all evl. --DK
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