Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: How kernel applies LRU to swap out physical pages? | Date | Tue, 11 Nov 2008 17:58:16 +0900 (JST) |
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Hi
> Hi All, > I'm reading the linux kernel 2.6.14.
it seems too old. I recommend to read newest kernel.
> But can't understand how LRU algorithm > is applied to page swapping. what is the 'USED' of LRU referred to? The > reference counter which the page is mapped by processes, or the frequency that > CPU reads/writes in the page. In common sense, the LRU algorithm will be more > optimal for the second case. But it depends on CPU capability. > I will be very appreciated if somebody can explain that in details.
I recommend to read page_referenced() and its related function :)
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