虚实地址转换：虚实映射，页表 STC Virtual address 3130292827 15141312111098…3210 Virtual page number Page offset ·VPN(虚页号)is the index of PT 虚页大小=内存页=磁盘块(n扇段》 Frame Valid Count Dirty Block/frame/page/sector 0 0 0 0 0 0 0 Translation 0 00 0 0 0 0 292827 15141312111098·3210 Physical page number Page offset Physical address COD图5-26虚实地址转换：虚实映射，页表 虚页大小＝ 内存页＝ 磁盘块（n 扇段） Block/frame/page/sector COD图5-26 • VPN（虚页号）is the index of PT