On 04.08.2021 21:18, Oleksandr wrote: > On 03.08.21 15:53, Jan Beulich wrote: >> On 30.07.2021 18:13, Oleksandr wrote: >>> - Where that range should be located in guest address space, should that >>> range be the same for all domains (how GUEST_GNTTAB_BASE(SIZE) for example) >>> or it should be calculated based on actual guest_ram_base(size) for a >>> particular domain? >> The default size may well be fixed or amount-of-memory-dependent, but >> I think there will need to be a way to enlarge the region for guests >> with particular needs. > Well, but why we couldn't just make a large chunk by default which would > satisfy all guests, as it was mentioned earlier in this thread "as it > doesn't consume resource when not being used" > to avoid an extra configuration option, etc?
Because experience tells me that no static upper limit will ever please everyone. Jan