Messages in this thread | | | From | "Stephen C. Tweedie" <> | Date | Fri, 2 Apr 1999 20:53:16 +0100 (BST) | Subject | Re: [QUESTION] Re: buffer cache behavior on memory-constrained systems (fwd) |
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Hi,
On Thu, 1 Apr 1999 11:25:23 +0200 (MEST), Ricardo Galli Granada <gallir@atlas-iap.es> said:
> As I understand, in 2.2.x, shrink_mmap() is in charge of selecting victims > for swap_out, and for doing it, is called from try_to_swap_out().
> Am I right? If so, Linux uses clock for pages replacement. Doesn't it?
Yes, it uses a clock algorithm for page replacement, although it is different from traditional Unix VMs in that it has separate clocks for cache replacement and for VM pageout.
--Stephen
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