diff --git a/include/asm-parisc/shmparam.h b/include/asm-parisc/shmparam.h
new file mode 100644
index 0000000..628ddc2
--- /dev/null
+++ b/include/asm-parisc/shmparam.h
@@ -0,0 +1,8 @@
+#ifndef _ASMPARISC_SHMPARAM_H
+#define _ASMPARISC_SHMPARAM_H
+
+#define __ARCH_FORCE_SHMLBA 	1
+
+#define SHMLBA 0x00400000   /* attach addr needs to be 4 Mb aligned */
+
+#endif /* _ASMPARISC_SHMPARAM_H */