Messages in this thread | | | Date | Mon, 11 Oct 2021 09:38:33 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH] crypto: octeontx2 - Use dma_alloc_coherent() instead of kzalloc/dma_map_single() |
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On Mon, Oct 11, 2021 at 12:00:04AM +0800, Cai Huoqing wrote: > Replacing kzalloc/kfree/dma_map_single/dma_unmap_single() > with dma_alloc_coherent/dma_free_coherent() helps to reduce > code size, and simplify the code, and coherent DMA will not > clear the cache every time.
As just explained in another patch like this please qualify the savings as we have actual results that shows the reverse of your claims.
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