On Mon, Jul 30, 2018 at 07:26:36PM +0300, Eugeniy Paltsev wrote: > __GFP_HIGHMEM flag is cleared by upper layer functions > (in include/linux/dma-mapping.h) so we'll never get a > __GFP_HIGHMEM flag in arch_dma_alloc gfp argument. > That's why alloc_pages will never return highmem page > here. > > Get rid of highmem pages handling and cleanup arch_dma_alloc > and arch_dma_free functions. > > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
