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Open Source and information security mailing list archives
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Date: Sun, 17 Sep 2017 22:22:08 -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 The dmapool code uses dma_alloc_coherent to allocate each element, and dma_alloc_coherent must align to ARCH_DMA_MINALIGN already. If you implementation doesn't do that it needs to be fixed.
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