Re: [PATCH v3] migration: clear the memory region dirty bitmap when skipping free pages

[David Hildenbrand]

On 23.07.21 10:14, Wang, Wei W wrote:
> On Friday, July 23, 2021 3:50 PM, David Hildenbrand wrote:
> > Migration of a 8 GiB VM
> > * within the same host
> > * after Linux is up and idle
> > * free page hinting enabled
> > * after dirtying most VM memory using memhog
>
> Thanks for the tests!
>
> I think it would be better to test using idle guests (no memhog).
> With memhog eating most of the guest free pages, it's likely no or very few 
> free pages are reported during the test.

*After dirtying*. memhog is no longer running.

... and also look again at the numbers how much memory we actually 
migrate :)

--
Thanks,

David / dhildenb