x86, um: initial part of asm-um move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/um/include/asm/dma.h b/arch/um/include/asm/dma.h
new file mode 100644
index 000000000000..9f6139a8a525
--- /dev/null
+++ b/arch/um/include/asm/dma.h
@@ -0,0 +1,10 @@
+#ifndef __UM_DMA_H
+#define __UM_DMA_H
+
+#include "asm/io.h"
+
+extern unsigned long uml_physmem;
+
+#define MAX_DMA_ADDRESS (uml_physmem)
+
+#endif