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Re: pte_pagenr/MAP_NR deleted in pre6
- To: "David S. Miller" <davem@redhat.com>
- Subject: Re: pte_pagenr/MAP_NR deleted in pre6
- From: "Stephen C. Tweedie" <sct@redhat.com>
- Date: Wed, 16 Aug 2000 20:53:56 +0100
- Cc: sct@redhat.com, kanoj@google.engr.sgi.com, roman@augan.com, linux-mm@kvack.org, linux-kernel@vger.rutgers.edu, rmk@arm.linux.org.uk, nico@cam.org, davidm@hpl.hp.com, alan@lxorguk.ukuu.org.uk
- In-Reply-To: <200008161824.LAA09497@pizda.ninka.net>; from davem@redhat.com on Wed, Aug 16, 2000 at 11:24:23AM -0700
- References: <399A4FE4.FA5C397A@augan.com> <200008161713.KAA54085@google.engr.sgi.com> <20000816192012.K19260@redhat.com> <200008161824.LAA09497@pizda.ninka.net>
- Sender: owner-linux-mm@kvack.org
- User-Agent: Mutt/1.2i
Hi,
On Wed, Aug 16, 2000 at 11:24:23AM -0700, David S. Miller wrote:
>
> Which is one of the reasons I wish the bounce buffer stuff went into
> the place it belongs, behind the pci_dma API. If we move to a
> page+offset model for drivers, we could do exactly this and also
> handle cases like ix86 PAE.
Fine --- it is pretty easy to generate a scatterlist from a kiobuf so
that drivers using a kiovec API can use the existing pci_dma support.
Cheers,
Stephen
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