1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b3a58adc4352..c5065e3d2ca9 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -535,8 +535,13 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
  * BLK_BOUNCE_ANY       : don't bounce anything
  * BLK_BOUNCE_ISA       : bounce pages above ISA DMA boundary
  */
+
+#if BITS_PER_LONG == 32
 #define BLK_BOUNCE_HIGH         ((u64)blk_max_low_pfn << PAGE_SHIFT)
-#define BLK_BOUNCE_ANY          ((u64)blk_max_pfn << PAGE_SHIFT)
+#else
+#define BLK_BOUNCE_HIGH         -1ULL
+#endif
+#define BLK_BOUNCE_ANY          (-1ULL)
 #define BLK_BOUNCE_ISA          (ISA_DMA_THRESHOLD)
 
 /*