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

David Hildenbrand (Red Hat) david at kernel.org
Fri Jan 16 03:56:37 AEDT 2026


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


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