Re: [PATCH v2 22/23] mm: rename CONFIG_MEMORY_BALLOON -> CONFIG_BALLOON

David Hildenbrand (Red Hat)
2026-01-15T16:56:50Z

On 1/15/26 17:53, Michael S. Tsirkin wrote:
> On Thu, Jan 15, 2026 at 05:33:56PM +0100, David Hildenbrand (Red Hat) wrote:
>> I'll note that the spec also defines a "DEVICE ID of Virtio Cpu balloon device as 47". But
>> no changes really happened in the spec with that for the last two years (only the
>> id is reserved).
>>
>>
>> [1] https://docs.oasis-open.org/virtio/virtio/v1.4/virtio-v1.4.html#x1-4260001
>
>
> Maybe that's a good reason to keep calling it "memory balloon".
>
> And hey, there's also the floating, pops easily kind and maybe someone
> will use those with linux in some way :)

There is only one true balloon ;) the others can specify it as
CPU_BALLOON. If that ever sees the light of day.

--
Cheers

David