Re: [RFC] respect the referenced bit of KVM guest pages?

[Rik van Riel]

Dike, Jeffrey G wrote:
> A side note - I've been doing some tracing and shrink_active_list is called a humongous number of times (25000-ish during a ~90 kvm run), with a net result of zero pages moved nearly all the time.  Your test is rescuing essentially all candidate pages from the inactive list.  Right now, I have the VM_EXEC || PageAnon version of your test.

That is exactly why the the split LRU VM does an unconditional
deactivation of active anon pages :)

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