[cs33211] OS Project question

[Mikhail Nesterenko]

> The question, if I understand correctly, is asking whether the Reference
> bit is set to 0 or 1 when the Second-Chance algorithm replaces an old page
> with a new page. You answered the bit is set to zero. However, in your
> slide discussing the Second-Chance algorithm....
> 
> "if the R bit for the page is clear, replace that page and *set the bit*."
> 
> ....meaning, if the R bit for the page is zero, replace that page and "set
> the bit" to 1. Is this not correct?

I'll check my slides, but second-chance works as follows: the page is
brought in from the backing store and its reference bit is
cleared. The next victim search starts from the next page.

Thanks,
-- 
Mikhail