diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 24efdfe277fc3977bce3815d0470b335d1bb9777..3e2e540a0f2a85ce92aa0a70f604bc4a461c3517 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -61,6 +61,9 @@ config ZONE_DMA
 config NEED_DMA_MAP_STATE
        def_bool y
 
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	default y
diff --git a/arch/alpha/include/asm/scatterlist.h b/arch/alpha/include/asm/scatterlist.h
index 440747ca6349058d31f04b6191ed2de0870ce557..85a0ef25516bc9b68795036a74d191fc0f428875 100644
--- a/arch/alpha/include/asm/scatterlist.h
+++ b/arch/alpha/include/asm/scatterlist.h
@@ -1,25 +1,10 @@
 #ifndef _ALPHA_SCATTERLIST_H
 #define _ALPHA_SCATTERLIST_H
 
-#include <asm/page.h>
-#include <asm/types.h>
-  
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long sg_magic;
-#endif
-	unsigned long page_link;
-	unsigned int offset;
-
-	unsigned int length;
-
-	dma_addr_t dma_address;
-	__u32 dma_length;
-};
+#define ISA_DMA_THRESHOLD (~0UL)
 
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->dma_length)
+#include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (~0UL)
+#undef ARCH_HAS_SG_CHAIN
 
 #endif /* !(_ALPHA_SCATTERLIST_H) */