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.
