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

[Avi Kivity <avi@redhat.com>]

On 08/06/2009 04:13 PM, Rik van Riel wrote:
> Avi Kivity wrote:
>> On 08/06/2009 01:59 PM, Wu Fengguang wrote:
>
>>> As a refinement, the static variable 'recent_all_referenced' could be
>>> moved to struct zone or made a per-cpu variable.
>>
>> Definitely this should be made part of the zone structure, consider 
>> the original report where the problem occurs in a 128MB zone (where 
>> we can expect many pages to have their referenced bit set).
>
> The problem did not occur in a 128MB zone, but in a 128MB cgroup.
>
> Putting it in the zone means that the cgroup, which may have
> different behaviour from the rest of the zone, due to excessive
> memory pressure inside the cgroup, does not get the right
> statistics.
>

Well, it should be per inactive list, whether it's a zone or a cgroup.  
What's the name of this thing? ("inactive list"?)

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