/*
* Change "struct page" to physical address.
*/
-#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
-
-/* We do NOT want virtual merging, it would put too much pressure on
- * our iommu allocator. Instead, we want drivers to be smart enough
- * to coalesce sglists that happen to have been mapped in a contiguous
- * way by the iommu
- */
-#define BIO_VMERGE_BOUNDARY 0
+#define page_to_phys(page) ((phys_addr_t)page_to_pfn(page) << PAGE_SHIFT)
/*
* 32 bits still uses virt_to_bus() for it's implementation of DMA