On Tue, 17 Apr 2012 15:41:39 +0300
Avi Kivity <[email protected]> wrote:
> > Since there are many known algorithms to predict hot memory pages,
> > the userspace will be able to tune the frequency of GET_DIRTY_LOG for such
> > parts not to get too many faults repeatedly, if we can restrict the range
> > of pages to protect.
> >
> > This is the fine-grained control.
>
> Do you want per-page control, or just range-based?
Difficult question.
For live migration, range-based control may be enough duo to the locality
of WWS.
Thanks,
Takuya
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