Messages in this thread | | | Date | Tue, 17 Apr 2012 23:54:50 +0900 | From | Takuya Yoshikawa <> | Subject | Re: [PATCH 00/13] KVM: MMU: fast page fault |
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On Tue, 17 Apr 2012 15:41:39 +0300 Avi Kivity <avi@redhat.com> 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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