Messages in this thread | | | Date | Mon, 23 Jun 2014 09:48:32 +0800 | From | Tang Chen <> | Subject | Re: [RFC PATCH 1/1] Move two pinned pages to non-movable node in kvm. |
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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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