linux-kernel - Re: [PATCH v2] dma-direct: do not allocate a single page from CMA area

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Date:   Thu, 7 Feb 2019 06:37:43 +0100
From:   Christoph Hellwig <hch@....de>
To:     Nicolin Chen <nicoleotsuka@...il.com>
Cc:     Christoph Hellwig <hch@....de>, m.szyprowski@...sung.com,
        robin.murphy@....com, vdumpa@...dia.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dma-direct: do not allocate a single page from CMA
 area

On Wed, Feb 06, 2019 at 06:28:49PM -0800, Nicolin Chen wrote:
> So we will keep allocating single pages in dev->cma_area if it's
> present, in order to address your previous concern?

Yes.