update lec 05-08

This commit is contained in:
chyyuu 2013-10-13 21:37:05 +08:00
parent 8098d09f76
commit 5a2d1a4854
4 changed files with 6 additions and 1 deletions

View File

@ -72,4 +72,9 @@ IF before clock sweep: (used,dirty) = (1,1), THEN after clock sweep: (used, dirt
IF before clock sweep: (used,dirty) = (1,1), THEN after clock sweep: (used, dirty)=(1,0).
是否可行?
6 在clock算法实现中pte中的uesd bit位是否可以让os来设置1 or 0 ?
6 在clock算法实现中pte中的uesd bit位是否可以让os来设置1 or 0 ? 为什么?
7 在enhanced clock算法中的dirty bit位是否可以让os来设置1 or 0 ? 为什么?
8 如果在ucore中实现精确的LRU算法如何设计需要硬件和OS分别完成什么事情

Binary file not shown.

Binary file not shown.

Binary file not shown.