#include <linux/mm.h>
struct scatterlist {
- struct page *page;
+#ifdef CONFIG_DEBUG_SG
+ unsigned long sg_magic;
+#endif
+ unsigned long page_link;
unsigned int offset;
dma_addr_t dma_address;
unsigned int length;
* returns, or alternatively stop on the first sg_dma_len(sg) which
* is 0.
*/
-#define sg_address(sg) (page_address((sg)->page) + (sg)->offset)
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)