From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andre Hedrick <andre@linux-ide.org>
Cc: Markus Plail <plail@web.de>, linux-kernel@vger.kernel.org
Subject: Re: ide-2.4.19-ac4.11.patch, late but stable
Date: 16 Aug 2002 11:48:03 +0100 [thread overview]
Message-ID: <1029494883.31487.34.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.10.10208152353190.12468-100000@master.linux-ide.org>
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 ?
prev parent reply other threads:[~2002-08-16 10:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-15 13:18 Andre Hedrick
2002-08-16 6:47 ` Markus Plail
2002-08-16 7:01 ` Andre Hedrick
2002-08-16 9:43 ` Markus Plail
2002-08-16 10:48 ` Alan Cox [this message]
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