86 	arch_switch_to(current);  in __switch_to()
88 	return current->thread.prev_sched;  in __switch_to()
98 		tracehook_notify_resume(&current->thread.regs);  in interrupt_end()
107 	return task_pid_nr(current);  in get_current_pid()
119 	if (current->thread.prev_sched != NULL)  in new_thread_handler()
120 		schedule_tail(current->thread.prev_sched);  in new_thread_handler()
121 	current->thread.prev_sched = NULL;  in new_thread_handler()
123 	fn = current->thread.request.u.thread.proc;  in new_thread_handler()
124 	arg = current->thread.request.u.thread.arg;  in new_thread_handler()
130 	userspace(&current->thread.regs.regs);  in new_thread_handler()
138 	schedule_tail(current->thread.prev_sched);  in fork_handler()
145 	arch_switch_to(current);  in fork_handler()
147 	current->thread.prev_sched = NULL;  in fork_handler()
149 	userspace(&current->thread.regs.regs);  in fork_handler()
156 	int kthread = current->flags & PF_KTHREAD;  in copy_thread()
170 		arch_copy_thread(&current->thread.arch, &p->thread.arch);  in copy_thread()
337 	struct task_struct *task = t ? t : current;  in singlestepping()
358 	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)  in arch_align_stack()
369 	if ((p == NULL) || (p == current) || (p->state == TASK_RUNNING))  in get_wchan()