From: Arjan van de Ven <arjan@infradead.org>
To: Jason Luo <abcd.bpmf@gmail.com>
Cc: Chris Wedgwood <cw@f00f.org>, linux-kernel@vger.kernel.org
Subject: Re: Can I get 200M contiguous physical memory?
Date: Thu, 10 Mar 2005 09:57:10 +0100 [thread overview]
Message-ID: <1110445030.6291.57.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <c4b38ec40503100049190d5498@mail.gmail.com>
On Thu, 2005-03-10 at 16:49 +0800, Jason Luo wrote:
> thanks!
> A data acquisition card. In DMA mode, the card need 200M contiguous
> memory for DMA.
> it's driver in windows can do it. so custom ask us to support it.
> are there a way although it'is unpopular?
not really unless your card can do scatter gather...
(or want to reserve memory at the boot commandline and then do really
really evil hacks)
next prev parent reply other threads:[~2005-03-10 8:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-10 8:10 Jason Luo
2005-03-10 8:16 ` Chris Wedgwood
2005-03-10 8:49 ` Jason Luo
2005-03-10 8:57 ` Arjan van de Ven [this message]
2005-03-10 18:57 ` Nate Edel
2005-03-10 19:02 ` Arjan van de Ven
2005-03-10 20:28 ` linux-os
2005-03-10 9:00 ` Chris Wedgwood
2005-03-10 8:43 ` Mario Holbe
2005-03-11 20:39 ` Bill Davidsen
[not found] <3Gr3R-5gH-23@gated-at.bofh.it>
[not found] ` <3Grdy-5nv-3@gated-at.bofh.it>
[not found] ` <3GrGK-5Ff-17@gated-at.bofh.it>
[not found] ` <3GrQf-5Vr-27@gated-at.bofh.it>
2005-03-11 2:20 ` Robert Hancock
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