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

   1/*
   2 * Copyright (C) 1999-2002 Russell King
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 */
   8
   9#ifndef _ASMARM_SET_MEMORY_H
  10#define _ASMARM_SET_MEMORY_H
  11
  12#ifdef CONFIG_MMU
  13int set_memory_ro(unsigned long addr, int numpages);
  14int set_memory_rw(unsigned long addr, int numpages);
  15int set_memory_x(unsigned long addr, int numpages);
  16int set_memory_nx(unsigned long addr, int numpages);
  17#else
  18static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
  19static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
  20static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
  21static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
  22#endif
  23
  24#ifdef CONFIG_STRICT_KERNEL_RWX
  25void set_kernel_text_rw(void);
  26void set_kernel_text_ro(void);
  27#else
  28static inline void set_kernel_text_rw(void) { }
  29static inline void set_kernel_text_ro(void) { }
  30#endif
  31
  32#endif
  33