Re: [PATCH 0/5 v3] Fix NVMe driver support on Power with 32-bit DMA

[David Miller]

From: Nishanth Aravamudan <nacc@xxxxxxxxxxxxxxxxxx>
Date: Fri, 23 Oct 2015 13:54:20 -0700

> 1) add a generic dma_get_page_shift implementation that just returns
> PAGE_SHIFT

I won't object to this patch series, but if I had implemented this I
would have required the architectures to implement this explicitly,
one-by-one.  I think it is less error prone and more likely to end
up with all the architectures setting this correctly.
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