On 4/21/26 15:44, Michael S. Tsirkin wrote: > On Tue, Apr 21, 2026 at 03:30:53PM +0200, David Hildenbrand (Arm) wrote: >> On 4/21/26 15:16, Michael S. Tsirkin wrote: >>> >>> We can - it's a dependency of the balloon deflate, which you asked >>> me to implement. I'm more interested in reporting, myself. >> >> Just to be clear, I said: >> >> "I'd assume ordinary inflating+deflating of the balloon would also end >> up with pre-zeroed pages. We'd just need a (mm/balloon.c -specific) >> interface to tell the buddy that the pages are zeroed." >> >> So while I think there will be value in that in the futur once we >> figure out a clean interface, I don't recall asking you to implement that? > > > Right. you also said: > > Not blocking, but I don't want something that is too coupled to > free-page reporting optimizations in the buddy. The comment above > MAGIC_PAGE_ZEROED triggered my reaction. > > so I interpreted this as meaning "it's nice to have (not blocking), but > you either need to implement this to demonstrate that indeed, it is not > too coupled, or prove in some other way that it is not too coupled".
Then there was a misunderstanding. I consider it future work and just want the internals to easily allow for such a use case :) -- Cheers, David
