LXR linux/arch/arm/include/asm/set

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 1999-2002 Russell King
   4 */
   5
   6#ifndef _ASMARM_SET_MEMORY_H
   7#define _ASMARM_SET_MEMORY_H
   8
   9#ifdef CONFIG_MMU
  10int set_memory_ro(unsigned long addr, int numpages);
  11int set_memory_rw(unsigned long addr, int numpages);
  12int set_memory_x(unsigned long addr, int numpages);
  13int set_memory_nx(unsigned long addr, int numpages);
  14#else
  15static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
  16static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
  17static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
  18static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
  19#endif
  20
  21#ifdef CONFIG_STRICT_KERNEL_RWX
  22void set_kernel_text_rw(void);
  23void set_kernel_text_ro(void);
  24#else
  25static inline void set_kernel_text_rw(void) { }
  26static inline void set_kernel_text_ro(void) { }
  27#endif
  28
  29#endif
  30