diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index c8d6efb..8e9da3d 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -27,6 +27,9 @@
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
 
+config ZONE_DMA
+	def_bool y
+
 config RWSEM_XCHGADD_ALGORITHM
 	bool
 
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 565d193..a72f424 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -58,11 +58,7 @@
 	/* Clean every zones */
 	memset(zones_size, 0, sizeof(zones_size));
 
-	/*
-	 * old: we can DMA to/from any address.put all page into ZONE_DMA
-	 * We use only ZONE_NORMAL
-	 */
-	zones_size[ZONE_NORMAL] = max_mapnr;
+	zones_size[ZONE_DMA] = max_mapnr;
 
 	free_area_init(zones_size);
 }