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Date:   Mon, 18 Sep 2017 08:45:22 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Huacai Chen <chenhc@...ote.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Fuxin Zhang <zhangfx@...ote.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH V5 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in
 non-coherent DMA mode

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

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