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1/* 2 * Copyright 2017, Michael Ellerman, IBM Corporation. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License version 6 * 2 as published by the Free Software Foundation; 7 */ 8#ifndef _LINUX_SET_MEMORY_H_ 9#define _LINUX_SET_MEMORY_H_ 10 11#ifdef CONFIG_ARCH_HAS_SET_MEMORY 12#include <asm/set_memory.h> 13#else 14static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } 15static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } 16static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } 17static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } 18#endif 19 20#ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP 21static inline int set_direct_map_invalid_noflush(struct page *page) 22{ 23 return 0; 24} 25static inline int set_direct_map_default_noflush(struct page *page) 26{ 27 return 0; 28} 29#endif 30 31#ifndef set_mce_nospec 32static inline int set_mce_nospec(unsigned long pfn) 33{ 34 return 0; 35} 36#endif 37 38#ifndef clear_mce_nospec 39static inline int clear_mce_nospec(unsigned long pfn) 40{ 41 return 0; 42} 43#endif 44 45#ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT 46static inline int set_memory_encrypted(unsigned long addr, int numpages) 47{ 48 return 0; 49} 50 51static inline int set_memory_decrypted(unsigned long addr, int numpages) 52{ 53 return 0; 54} 55#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ 56 57#endif /* _LINUX_SET_MEMORY_H_ */