文件操作 - set_memory.h
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文件: /usr/src/linux-headers-5.15.0-186/arch/powerpc/include/asm/set_memory.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_SET_MEMORY_H #define _ASM_POWERPC_SET_MEMORY_H #define SET_MEMORY_RO 0 #define SET_MEMORY_RW 1 #define SET_MEMORY_NX 2 #define SET_MEMORY_X 3 #define SET_MEMORY_NP 4 /* Set memory non present */ #define SET_MEMORY_P 5 /* Set memory present */ int change_memory_attr(unsigned long addr, int numpages, long action); static inline int set_memory_ro(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_RO); } static inline int set_memory_rw(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_RW); } static inline int set_memory_nx(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_NX); } static inline int set_memory_x(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_X); } static inline int set_memory_np(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_NP); } static inline int set_memory_p(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_P); } #endif
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