On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote: > Currently, scan pressure between the anon and file LRU lists is > balanced based on a mixture of reclaim efficiency and a somewhat > vague > notion of "value" of having certain pages in memory over others. That > concept of value is problematic, because it has caused us to count > any > event that remotely makes one LRU list more or less preferrable for > reclaim, even when these events are not directly comparable to each > other and impose very different costs on the system - such as a > referenced file page that we still deactivate and a referenced > anonymous page that we actually rotate back to the head of the list. >
Well, patches 7-10 answered my question on patch 6 :) I like this design. -- All Rights Reversed.
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