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[J-linux.git] / arch / loongarch / include / asm / set_memory.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2024 Loongson Technology Corporation Limited
4  */
5
6 #ifndef _ASM_LOONGARCH_SET_MEMORY_H
7 #define _ASM_LOONGARCH_SET_MEMORY_H
8
9 /*
10  * Functions to change memory attributes.
11  */
12 int set_memory_x(unsigned long addr, int numpages);
13 int set_memory_nx(unsigned long addr, int numpages);
14 int set_memory_ro(unsigned long addr, int numpages);
15 int set_memory_rw(unsigned long addr, int numpages);
16
17 bool kernel_page_present(struct page *page);
18 int set_direct_map_default_noflush(struct page *page);
19 int set_direct_map_invalid_noflush(struct page *page);
20 int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid);
21
22 #endif /* _ASM_LOONGARCH_SET_MEMORY_H */
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