Re: [patch] zero-bounce highmem I/O

[Jens Axboe]

On Wed, Aug 15 2001, David S. Miller wrote:
>    From: Jens Axboe <[e-mail]>
>    Date: Wed, 15 Aug 2001 09:50:18 +0200
>    
>    Dave, comments on that?
> 
> I think the new-style sg_list is slightly overkill, too much
> stuff.  You need much less, in fact, especially on x86.
> 
> Take include/linux/skbuff.h:skb_frag_struct, rename it to
> sg_list and add a dma_addr_t.  You should need nothing else.
> The bounce page, for example, is superfluous.

Ok agreed, fine with me.

> If you bounce, the bounce page can be determined later via the
> dma_addr_t right?

That's true.

>    And Dave, should I add the 64-bit stuff I started again? :-)
> 
> Let me draft something up, and meanwhile you can think about
> the changes I suggest above.  Ok?

Ok done from my side :)

-- 
Jens Axboe