Re: dma restriction on Itanium 2

From: Christian Hinkelbein <Christian.Hinkelbein_at_t-online.de>
Date: 2004-01-18 05:47:10
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

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Received on Sat Jan 17 13:53:21 2004

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