alpha_switch_to     7 arch/alpha/include/asm/switch_to.h extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct *);
alpha_switch_to    11 arch/alpha/include/asm/switch_to.h     (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \