Messages in this thread |  | | | Date | Thu, 1 Feb 2001 16:39:32 -0200 (BRDT) | | From | Rik van Riel <> | | Subject | Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait /notify + callback chains |
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On Thu, 1 Feb 2001, Alan Cox wrote:
> > Now one could say: just let the networkers use their own kind of buffers > > (and that's exactly what is done in the zerocopy patches), but that again leds > > to inefficient buffer passing and ungeneric IO handling.
[snip] > It is quite possible that the right thing to do is to do > conversions in the cases it happens.
OTOH, somehow a zero-copy system which converts the zero-copy metadata every time the buffer is handed to another subsystem just doesn't sound right ...
(well, maybe it _is_, but it looks quite inefficient at first glance)
regards,
Rik -- Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose...
http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com.br/
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