Re: [PATCH v3 2/7] mm: allow shared folios to be promoted to a fast tier

[Zi Yan]

On 24 Sep 2026, at 11:37, Gregory Price wrote:

> On Thu, Sep 24, 2026 at 05:32:22PM +0200, David Hildenbrand (Arm) wrote:
>> On 9/24/26 16:07, Gregory Price wrote:
>>> On Thu, Sep 24, 2026 at 01:59:15PM +0200, David Hildenbrand (Arm) wrote:
>>>> I wonder if a better name would just make the comment above (about memory
>>>> tiering) implicit and make more sense of the sysctl_numa_balancing_mode &
>>>> NUMA_BALANCING_MEMORY_TIERING) check.
>>>>
>>>> 	folio_promotable()
>>>>
>>>> 	folio_is_promotable()
>>>>
>>>> 	folio_numa_promotable()
>>>>
>>>> etc.
>>>>
>>>> because that seems to be what we really test with both things combined.
>>>>
>>>
>>> maybe:  folio_numab_promotable() ?
>>
>> Works for me if "numab" means numa balancing :)
>>
>
> Sounds good, i'll let this rest for a bit before spinning a v4. I think
> the rest is pretty solid, but there's one other sashiko thing i need to
> think about whether it's real or not.

folio_numab_promotable() sounds good to me.


Best Regards,
Yan, Zi