Re: [RFC PATCH 1/1] Move two pinned pages to non-movable node in kvm.

[Tang Chen]

Hi Marcelo, Gleb,

Sorry for the delayed reply and thanks for the advices.

On 06/21/2014 04:39 AM, Marcelo Tosatti wrote:
> On Fri, Jun 20, 2014 at 05:31:46PM -0300, Marcelo Tosatti wrote:
> > > IIRC your shadow page pinning patch series support flushing of ptes
> > > by mmu notifier by forcing MMU reload and, as a result, faulting in of
> > > pinned pages during next entry.  Your patch series does not pin pages
> > > by elevating their page count.
> >
> > No but PEBS series does and its required to stop swap-out
> > of the page.
>
> Well actually no because of mmu notifiers.
>
> Tang, can you implement mmu notifiers for the other breaker of
> mem hotplug ?

I'll try the mmu notifier idea and send a patch soon.

Thanks.
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