-/* thread information allocation */
-#define alloc_thread_info(tsk) ((struct thread_info *) \
- __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER))
-#define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_SIZE_ORDER)
-#define get_thread_info(ti) get_task_struct((ti)->task)
-#define put_thread_info(ti) put_task_struct((ti)->task)