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 */
12int set_memory_x(unsigned long addr, int numpages);
13int set_memory_nx(unsigned long addr, int numpages);
14int set_memory_ro(unsigned long addr, int numpages);
15int set_memory_rw(unsigned long addr, int numpages);
16
17bool kernel_page_present(struct page *page);
18int set_direct_map_default_noflush(struct page *page);
19int set_direct_map_invalid_noflush(struct page *page);
20int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid);
21
22#endif /* _ASM_LOONGARCH_SET_MEMORY_H */