Both page table entries and segment descriptors have an Accessed bit that the hardware must set on use -- but the mechanisms are quite different.
�@�����A���p���Ă��Ȃ�������20�オ22.0���A30�オ31.5���A40�オ36.0���Ə��̔N���قǍ����Ȃ��Ă������A�Ⴂ�N���ł��S���������悤�ɐ���AI�����p���Ă����킯�ł͂Ȃ����Ƃ����������B
，这一点在safew官方版本下载中也有详细论述
chunk[i] = (offset + i) & 0xFF;。关于这个话题，服务器推荐提供了深入分析
Chad Whitacre Head of Open Source, Sentry