handler = new_thread_handler;
        }
 
-       new_thread(p->thread_info, &p->thread.mode.skas.switch_buf,
+       new_thread(task_stack_page(p), &p->thread.mode.skas.switch_buf,
                   &p->thread.mode.skas.fork_buf, handler);
        return(0);
 }
 
        init_task.thread.request.u.thread.proc = start_kernel_proc;
        init_task.thread.request.u.thread.arg = NULL;
-       return(start_idle_thread(init_task.thread_info,
+       return(start_idle_thread(task_stack_page(&init_task),
                                 &init_task.thread.mode.skas.switch_buf,
                                 &init_task.thread.mode.skas.fork_buf));
 }
 
                do_exit(SIGKILL);
        }
                
-       new_pid = start_fork_tramp(current->thread_info, stack, 0, exec_tramp);
+       new_pid = start_fork_tramp(task_stack_page(current), stack, 0, exec_tramp);
        if(new_pid < 0){
                printk(KERN_ERR 
                       "flush_thread : new thread failed, errno = %d\n",
 
 
        clone_flags &= CLONE_VM;
        p->thread.temp_stack = stack;
-       new_pid = start_fork_tramp(p->thread_info, stack, clone_flags, tramp);
+       new_pid = start_fork_tramp(task_stack_page(p), stack, clone_flags, tramp);
        if(new_pid < 0){
                printk(KERN_ERR "copy_thread : clone failed - errno = %d\n", 
                       -new_pid);
        int pages;
 
        pages = (1 << CONFIG_KERNEL_STACK_ORDER);
-       sp = (void *) ((unsigned long) init_task.thread_info) +
+       sp = task_stack_page(&init_task) +
                pages * PAGE_SIZE - sizeof(unsigned long);
        return(tracer(start_kernel_proc, sp));
 }