MiProtectionToCacheAttribute.c

MI_PFN_CACHE_ATTRIBUTE MiProtectionToCacheAttribute(uint32_t protection) {
  if(protection != 0x1F) // all flags combined
  {
    if(protection >> 3 == 3) // MM_WRITECOMBINE
    {
      if(protection & 7) // check if it has any actual access
        return MiWriteCombined;
    }
    else if (protection >> 3 == 1) // MM_NOCACHE
      return MiNonCached;
  }
  return MiCached;
}