On Tue, Nov 24, 2020 at 04:38:41PM +0100, Ricardo Ribalda wrote: > From: Christoph Hellwig <hch@xxxxxx> > > Prepare for supporting the DMA_ATTR_NO_KERNEL_MAPPING flag in > dma_alloc_pages. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> FYI, this patch should be dropped as I've implemented the functionality differently.