1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b8224ea4a5de..d7ae241a9e55 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -712,7 +712,7 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
 #define BLK_BOUNCE_HIGH         -1ULL
 #endif
 #define BLK_BOUNCE_ANY          (-1ULL)
-#define BLK_BOUNCE_ISA          (ISA_DMA_THRESHOLD)
+#define BLK_BOUNCE_ISA          (DMA_BIT_MASK(24))
 
 /*
  * default timeout for SG_IO if none specified