On 09/08/2018 16:55, Olaf Hering wrote: > >> I think the simplest fix is for the map >> cache to set aside a zero page and return it whenever it is asked for a >> ballooned page. > Can qemu actually know if it ran into a ballooned page? I think no.
Well, xen_map_cache knows that it has run into *something like* a ballooned page when it returns NULL. :) Paolo
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