Am Wed, 28 Apr 2021 12:42:54 +0200 schrieb Jan Beulich <jbeul...@suse.com>:
> It might help if you would outline what you're actually after by > knowing a domain's active grants. There is REC_TYPE_VERIFY, which will re-transmit all memory of a paused domU and compare what was previously transferred. Last time I used it a large number of pages are different. I did not spent time to dig further into it, what pfns are affected, how the pages differ. I suspect the backends do still write into the granted pages, hence the question. I think the domU may undo all grants during its suspend anyway, that is something to explore as well. Olaf
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