1 #ifndef __ALPHA_SWITCH_TO_H 2 #define __ALPHA_SWITCH_TO_H 3 4 5 struct task_struct; 6 extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct *); 7 8 #define switch_to(P,N,L) \ 9 do { \ 10 (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \ 11 check_mmu_context(); \ 12 } while (0) 13 14 #endif /* __ALPHA_SWITCH_TO_H */ 15