Re: ide-2.4.19-ac4.11.patch, late but stable

Alan Cox (alan@lxorguk.ukuu.org.uk)
16 Aug 2002 11:48:03 +0100


On Fri, 2002-08-16 at 08:01, Andre Hedrick wrote:
> As much as I hate to concept of a DMA mempool, it looks like the direction
> to follow. Games such as HOST<>DEVICE || feast<>famine of buffer streams
> appear to be the norm to push vast amounts of atapi-dma. The alternative
> is to have device level request queues and have the queues carry the SG or
> PRD list for that portion.

We have mempool in 2.5 and backported so we can preallocate pools of
memory to meet some streaming requirement and then discard the entire
pool later.

What do you actually need ?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/