On Mon, Oct 14, 2024 at 11:47:32AM +0800, bingbu.cao@xxxxxxxxx wrote: > +++ b/drivers/media/pci/intel/ipu6/ipu6-dma.c > @@ -139,7 +139,7 @@ void ipu6_dma_sync_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, > int i; > > for_each_sg(sglist, sg, nents, i) > - clflush_cache_range(page_to_virt(sg_page(sg)), sg->length); > + clflush_cache_range(sg_virt(sg), sg->length); Not new in this code, but what guarantees that this driver never sees highmem?
