89 	arch_switch_to(current);  in __switch_to()
91 	return current->thread.prev_sched;  in __switch_to()
96 	struct pt_regs *regs = &current->thread.regs;  in interrupt_end()
112 	return task_pid_nr(current);  in get_current_pid()
124 	if (current->thread.prev_sched != NULL)  in new_thread_handler()
125 		schedule_tail(current->thread.prev_sched);  in new_thread_handler()
126 	current->thread.prev_sched = NULL;  in new_thread_handler()
128 	fn = current->thread.request.u.thread.proc;  in new_thread_handler()
129 	arg = current->thread.request.u.thread.arg;  in new_thread_handler()
135 	userspace(&current->thread.regs.regs);  in new_thread_handler()
143 	schedule_tail(current->thread.prev_sched);  in fork_handler()
150 	arch_switch_to(current);  in fork_handler()
152 	current->thread.prev_sched = NULL;  in fork_handler()
154 	userspace(&current->thread.regs.regs);  in fork_handler()
161 	int kthread = current->flags & PF_KTHREAD;  in copy_thread()
175 		arch_copy_thread(&current->thread.arch, &p->thread.arch);  in copy_thread()
339 	struct task_struct *task = t ? t : current;  in singlestepping()
360 	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)  in arch_align_stack()
371 	if ((p == NULL) || (p == current) || (p->state == TASK_RUNNING))  in get_wchan()