Re: [PATCH] gurantee DMA area for alloc_bootmem_low()

From: Dave Hansen <haveblue_at_us.ibm.com>
Date: 2005-07-13 05:29:25
On Tue, 2005-07-12 at 11:30 -0700, Mike Kravetz wrote:
> FYI - While hacking on the memory hotplug code, I added a special
> '#define MAX_DMA_PHYSADDR' to get around this issue on such architectures.
> Most likely, this isn't elegant enough as a real solution.  But it does
> point out that __pa(MAX_DMA_ADDRESS) doesn't always give you what you
> expect.

Didn't we create a MAX_DMA_PHYSADDR or something, so that people could
do this if they want?

-- Dave

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Received on Tue Jul 12 15:35:06 2005

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