Re: [PATCH 0/7] Accelerate page migration with batch copying and hardware offload

[David Hildenbrand (Arm)]

>> ---------------
>>
>> 1. Should the batch path run without a registered migrator? Patches 1-4
>>    are self-contained and use folios_mc_copy() (CPU). I have several
>>    options like making batch path always-on for eligible folios, or
>>    giving admin an option to flip the static branch, or keep the gate.
>>    I'm leaning toward always-on.
>>
>> 2. Carrying already_copied via folio->migrate_info vs changing the
>>    migrate_folio() callback signature (Huang, Ying). I went with the
>>    field for now to avoid touching every fs callback before the design
>>    settles. Happy to revisit.
> 
> Personally, I still prefer to change migrate_folio() callbacks for
> better readability.

Can that be added as a cleanup on top?

-- 
Cheers,

David