On 10/14/07, Rik van Riel <riel@xxxxxxxxxxx> wrote:
On Sat, 13 Oct 2007 21:57:54 -0700
"shyam Burkule" < shyam.burkule@xxxxxxxxx> wrote:
> Here I am not understanding the significance of IRR.Because page
> cache contains pages from various file,process etc. and they may not
> have logical relationship.So how Replacement policy is efficient that
> reclaims pages based upon IRR.
IRR measures the distance between two references to the same page.
Linux Weekly News has a good article explaining the concept:
http://lwn.net/Articles/147879/
nice article...
--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan
--
Shyam
"Born To Learn"
