#ifdef __KERNEL__
-/* We have 8k stacks on ppc32 and 16k on ppc64 */
-
-#if defined(CONFIG_PPC64)
-#define THREAD_SHIFT 14
-#elif defined(CONFIG_PPC_256K_PAGES)
-#define THREAD_SHIFT 15
-#else
-#define THREAD_SHIFT 13
-#endif
+#define THREAD_SHIFT CONFIG_THREAD_SHIFT
#define THREAD_SIZE (1 << THREAD_SHIFT)