Re: [PATCH V5 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in non-coherent DMA mode

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Subject: Re: [PATCH V5 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in non-coherent DMA mode
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 18 Sep 2017 08:45:22 -0700
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Fuxin Zhang <zhangfx@xxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <1505708548-4750-1-git-send-email-chenhc@lemote.com>
User-agent: Mutt/1.8.3 (2017-05-23)

Ok, it looks like adding the dma_get_cache_alignment constraint here
looks good - but again it should be unconditional.

References:
- [PATCH V5 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in non-coherent DMA mode
  - From: Huacai Chen

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