diff -urN oldtree/include/linux/mm.h newtree/include/linux/mm.h
--- oldtree/include/linux/mm.h	2006-08-08 15:17:04.000000000 -0400
+++ newtree/include/linux/mm.h	2006-08-08 15:59:42.000000000 -0400
@@ -165,6 +165,7 @@
 #define VM_NONLINEAR	0x00800000	/* Is non-linear (remap_file_pages) */
 #define VM_MAPPED_COPY	0x01000000	/* T if mapped copy of data (nommu mmap) */
 #define VM_INSERTPAGE	0x02000000	/* The vma has had "vm_insert_page()" done on it */
+#define VM_SHM          0x00000000      /* ATI Drivers won't work unless you supply this def. */
 
 #ifndef VM_STACK_DEFAULT_FLAGS		/* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS