Re: [PATCH v2] tcp: splice as many packets as possible at once

Herbert Xu
2009-01-30T22:16:59Z

On Fri, Jan 30, 2009 at 01:42:27PM -0800, David Miller wrote:
>
> Hmmm, Jarek's comments here made me realize that we might be
> able to do some hack with cooperation with SLAB.
>
> Basically the idea is that if the page count of a SLAB page
> is greater than one, SLAB will not use that page for new
> allocations.
>
> It's cheesy and the SLAB developers will likely barf at the
> idea, but it would certainly work.

I'm not going anywhere near that discussion :)

> Back to real life, I think long term the thing to do is to just do the
> cached page allocator thing we'll be doing after Jarek's socket page
> patch is integrated, and for best performance the driver has to
> receive it's data into pages, only explicitly pulling the ethernet
> header into the linear area, like NIU does.

Yes that sounds like the way to go.

Cheers,
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