Re: [PATCH v1 00/10] variable-order, large folios for anonymous memory

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On 6/29/23 08:27, Yu Zhao wrote:
> On Wed, Jun 28, 2023 at 5:59 PM Yin Fengwei <fengwei.yin@xxxxxxxxx> wrote:
>>
>> Hi Yu,
>>
>> On 6/29/23 02:22, Yu Zhao wrote:
>>> And please make sure it's disabled by default, because we are still
>>> missing many important functions, e.g., I don't think we can mlock()
>>> when large() && !pmd_mappable(), see mlock_pte_range() and
>>> mlock_vma_folio(). We can fix it along with many things later, but we
>>> need to present a plan and a schedule now. Otherwise, there would be
>>> pushback if we try to land the series without supporting mlock().
>>>
>>> Do you or Fengwei plan to take on it? (I personally don't.) If not,
>> Do you mean the mlock() with large folio? Yes. I can work on it. Thanks.
> 
> Great. Thanks!
> 
> Other places that have the similar problem but are probably easier to
> fix than the mlock() case:
> * madvise_cold_or_pageout_pte_range()
This one was on my radar. :). 

Regards
Yin, Fengwei

> * shrink_folio_list()



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