/* SPDX-License-Identifier: GPL-2.0 */#ifndef __ALPHA_SWITCH_TO_H#define __ALPHA_SWITCH_TO_H  struct task_struct;extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct *); #define switch_to(P,N,L)						 \  do {									 \    (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \    check_mmu_context();						 \  } while (0) #endif /* __ALPHA_SWITCH_TO_H */