diff --git a/include/asm-sparc/shmparam.h b/include/asm-sparc/shmparam.h
new file mode 100644
index 0000000..bb93a6f
--- /dev/null
+++ b/include/asm-sparc/shmparam.h
@@ -0,0 +1,12 @@
+/* $Id: shmparam.h,v 1.6 1999/12/09 10:32:41 davem Exp $ */
+#ifndef _ASMSPARC_SHMPARAM_H
+#define _ASMSPARC_SHMPARAM_H
+
+#define __ARCH_FORCE_SHMLBA 	1
+
+extern int vac_cache_size;
+#define SHMLBA (vac_cache_size ? vac_cache_size : \
+		(sparc_cpu_model == sun4c ? (64 * 1024) : \
+		 (sparc_cpu_model == sun4 ? (128 * 1024) : PAGE_SIZE)))
+
+#endif /* _ASMSPARC_SHMPARAM_H */