LXR linux/arch/powerpc/include/asm/set

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_POWERPC_SET_MEMORY_H
   3#define _ASM_POWERPC_SET_MEMORY_H
   4
   5#define SET_MEMORY_RO   0
   6#define SET_MEMORY_RW   1
   7#define SET_MEMORY_NX   2
   8#define SET_MEMORY_X    3
   9
  10int change_memory_attr(unsigned long addr, int numpages, long action);
  11
  12static inline int set_memory_ro(unsigned long addr, int numpages)
  13{
  14        return change_memory_attr(addr, numpages, SET_MEMORY_RO);
  15}
  16
  17static inline int set_memory_rw(unsigned long addr, int numpages)
  18{
  19        return change_memory_attr(addr, numpages, SET_MEMORY_RW);
  20}
  21
  22static inline int set_memory_nx(unsigned long addr, int numpages)
  23{
  24        return change_memory_attr(addr, numpages, SET_MEMORY_NX);
  25}
  26
  27static inline int set_memory_x(unsigned long addr, int numpages)
  28{
  29        return change_memory_attr(addr, numpages, SET_MEMORY_X);
  30}
  31
  32int set_memory_attr(unsigned long addr, int numpages, pgprot_t prot);
  33
  34#endif
  35