From: Christian.Hinkelbein@t-online.de (Christian Hinkelbein)
To: linux-ia64@vger.kernel.org
Subject: Re: dma restriction on Itanium 2
Date: Sat, 17 Jan 2004 18:47:10 +0000 [thread overview]
Message-ID: <4009832E.9080702@ti.uni-mannheim.de> (raw)
In-Reply-To: <1074304095.6384.13.camel@kbiswas-dt.s2iotech.com>
Grant Grundler wrote:
> Yes. HPUX has a similar interface for DMA mapping but a completely
> different VM subsystem. Linux guarantees contiguous physical blocks
> for multi-page memory allocations. HPUX does not. The linux DMA
> subsystem uses that assumption.
you are talking about kernel-mode __get_free_pages and kmalloc,
and not user-mode malloc, arent you?
christian
next prev parent reply other threads:[~2004-01-17 18:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-17 1:48 dma restriction on Itanium 2 Kallol Biswas
2004-01-17 2:14 ` Grant Grundler
2004-01-17 3:58 ` Grant Grundler
2004-01-17 18:47 ` Christian Hinkelbein [this message]
2004-01-19 6:14 ` Grant Grundler
2004-01-19 16:00 ` Alex Williamson
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