Re: dma restriction on Itanium 2

Christian Hinkelbein
2004-01-17T18:47:10Z

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