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Date:   Wed, 10 Jan 2018 16:30:17 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Robin Murphy <robin.murphy@arm.com>
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Subject: Re: [PATCH 27/33] dma-direct: use node local allocations for
        coherent memory
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On Wed, Jan 10, 2018 at 12:06:22PM +0000, Robin Murphy wrote:
> On 10/01/18 08:00, Christoph Hellwig wrote:
>> To preserve the x86 behavior.
>
> And combined with patch 10/22 of the SWIOTLB refactoring, this means 
> SWIOTLB allocations will also end up NUMA-aware, right? Great, that's what 
> we want on arm64 too :)

Well, only for swiotlb allocations that can be satisfied by
dma_direct_alloc.  If we actually have to fall back to the swiotlb
buffers there is not node affinity yet.