#define STACK_TOP TASK_SIZE
#endif
#ifdef CONFIG_64BIT
-#define STACK_TOP (current->thread.mflags & MF_32BIT_ADDR ? TASK_SIZE32 : TASK_SIZE)
+#define STACK_TOP \
+ (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
#endif
+#define STACK_TOP_MAX TASK_SIZE
#endif