On 09/01/20 20:39, Peter Xu wrote: >> >> IIUC at the moment KVM never uses huge pages if any part of the huge page is >> tracked. > > To be more precise - I think it's per-memslot. Say, if the memslot is > dirty tracked, then no huge page on the host on that memslot (even if > guest used huge page over that). > >> But if all parts of the page are written to then huge page >> is used. > > I'm not sure of this... I think it's still in 4K granularity. Right. Dirty tracking always uses 4K page size. Paolo
