Add CONFIG_DEBUG_SG sg validation

[firefly-linux-kernel-4.4.55.git] / include / asm-frv / scatterlist.h

diff --git a/include/asm-frv/scatterlist.h b/include/asm-frv/scatterlist.h
index 8e827fa853f15b7f47742a8dd31624e02b6cfcff..f7da007b763ccb0aa08e5b02738216924f242468 100644 (file)
--- a/include/asm-frv/scatterlist.h
+++ b/include/asm-frv/scatterlist.h
@@ -22,7 +22,10 @@
  * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
  */
 struct scatterlist {
-       struct page     *page;          /* Location for highmem page, if any */
+#ifdef CONFIG_DEBUG_SG
+       unsigned long   sg_magic;
+#endif
+       unsigned long   page_link;
        unsigned int    offset;         /* for highmem, page offset */
 
        dma_addr_t      dma_address;