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

Marcelo Tosatti
2014-06-20T20:39:03Z

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 ?