Re: [PATCH v3 0/3] mm/damon: Introduce a huge page collapsing mechanism using auto tuning
From: Gutierrez Asier
Date: Tue Jul 21 2026 - 09:03:51 EST
Hi SJ,
On 7/21/2026 6:58 AM, SJ Park wrote:
> Hello Asier,
>
> On Mon, 20 Jul 2026 12:01:37 +0000 <gutierrez.asier@xxxxxxxxxxxxxxxxxxx> wrote:
>
>> From: Asier Gutierrez <gutierrez.asier@xxxxxxxxxxxxxxxxxxx>
>>
>> Overview
>> ========
>> This patch set introduces a new autotuning which allows to collapse
>> hot regions into hugepages.
>
> Thank you for making this series well done like this!
>
> [...]
>> Patches Sequence
>> ================
>> Patch 1 -> Introduce DAMOS_QUOTA_HUGEPAGE_MEM_BP and autotuning
>> Patch 2 -> sysfs support for the new quota goal
>> Patch 3 -> Document hugepage_mem_bp parameter
>
> I'd prefer handling 'total' underflow and returning 10,000 instead of INT_MAX
> from damos_hugepage_mem_bp() corner cases. But definitely that is no blocker.
> For the series,
>
> Reviewed-by: SJ Park <sj@xxxxxxxxxx>
>
> This series is applied to damon/next [1] tree. If this series is not added to
> mm.git in short term (~3 days?), I will ask mm.git maintainer (Andrew Morton)
> to pick this. In the case, I will update patch 1 to do what I mentioned as
> preferred change if you don't mind. So, no action from your side is needed for
> now. If it seems I also forgot doing that or you cannot wait for my action,
> please feel free to directly ask that to Andrew.
>
> [1] https://origin.kernel.org/doc/html/latest/mm/damon/maintainer-profile.html#scm-trees
>
>
> Thanks,
> SJ
>
> [...]
Thanks a lot for your patience and help with the patch series.
I will work on the suggested minor changes once the this patch set
lands into mm-next, if you don't mind.
--
Asier Gutierrez
Huawei