for_each_sgt_daddr(dma, iter, vma->pages) {
void __iomem *s;
- s = io_mapping_map_wc(&mem->iomap, dma, PAGE_SIZE);
+ s = io_mapping_map_wc(&mem->iomap,
+ dma - mem->region.start,
+ PAGE_SIZE);
ret = compress_page(compress,
(void __force *)s, dst,
true);