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Date:   Mon, 27 Nov 2023 08:22:40 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Robin Murphy <robin.murphy@arm.com>
Cc:     hch@lst.de, rafael@kernel.org, lenb@kernel.org, robh+dt@kernel.org,
        frowand.list@gmail.com, m.szyprowski@samsung.com,
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        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dma-mapping: Don't store redundant offsets
Message-ID: <20231127072240.GA28430@lst.de>
References: <94e0cec15546ef2be61d90869e499e40e2a55308.1700849106.git.robin.murphy@arm.com>
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On Fri, Nov 24, 2023 at 06:10:03PM +0000, Robin Murphy wrote:
> A bus_dma_region necessarily stores both CPU and DMA base addresses for
> a range, so there's no need to also store the difference between them.

Yes.  I'll add this to the for-next branch for 6.8 once I open it.