--- zzzz-none-000/linux-2.6.19.2/include/asm-ia64/ustack.h	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/include/asm-ia64/ustack.h	2007-01-19 14:42:56.000000000 +0000
@@ -10,10 +10,10 @@
 
 /* The absolute hard limit for stack size is 1/2 of the mappable space in the region */
 #define MAX_USER_STACK_SIZE	(RGN_MAP_LIMIT/2)
-#define STACK_TOP		(0x6000000000000000UL + RGN_MAP_LIMIT)
+#define __STACK_TOP		(0x6000000000000000UL + RGN_MAP_LIMIT)
 #endif
 
-/* Make a default stack size of 2GiB */
+/* Make a default stack size of 2GB */
 #define DEFAULT_USER_STACK_SIZE	(1UL << 31)
 
 #endif /* _ASM_IA64_USTACK_H */