1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright 2017, Michael Ellerman, IBM Corporation.
5 #ifndef _LINUX_SET_MEMORY_H_
6 #define _LINUX_SET_MEMORY_H_
8 #ifdef CONFIG_ARCH_HAS_SET_MEMORY
9 #include <asm/set_memory.h>
11 static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
12 static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
13 static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
14 static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
17 #ifndef CONFIG_ARCH_HAS_SET_DIRECT_MAP
18 static inline int set_direct_map_invalid_noflush(struct page *page)
22 static inline int set_direct_map_default_noflush(struct page *page)
28 #ifndef set_mce_nospec
29 static inline int set_mce_nospec(unsigned long pfn)
35 #ifndef clear_mce_nospec
36 static inline int clear_mce_nospec(unsigned long pfn)
42 #ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT
43 static inline int set_memory_encrypted(unsigned long addr, int numpages)
48 static inline int set_memory_decrypted(unsigned long addr, int numpages)
52 #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
54 #endif /* _LINUX_SET_MEMORY_H_ */