Re: [PATCH 0/2] mm/huge_memory: Modularize and simplify folio splitting paths

[Zi Yan <ziy@nvidia.com>]

On 6 Nov 2025, at 20:02, Wei Yang wrote:

> On Sat, Nov 01, 2025 at 12:29:25AM +0000, Wei Yang wrote:
>> This two-patch series focuses on refactoring the core logic of folio
>> splitting to improve code structure, clarity, and maintainability.
>>
>> The first patch introduces a new consolidated helper function that groups
>> all the required tasks involved in a folio split. The second patch then
>> leverages this new helper to clearly separate the different execution
>> paths for uniform and non-uniform splitting, which simplifies
>> __split_unmapped_folio().
>>
>> This series sets a better foundation for future optimizations and
>> maintenance in the huge memory handling code.
>>
>> Also selftests/split_huge_page_test pass.
>
> Hi, Lorenzo , Zi
>
> This patch set is based on your suggestion from [1].
>
> Not sure you still like it?
>
> [1]: http://lkml.kernel.org/r/f1830e4e-1630-4242-be0d-1cf65f20b54b@lucifer.local
>

Can you address David’s concern and update the patches?
I will take a look then.

Thanks.

>>
>> Wei Yang (2):
>>  mm/huge_memory: introduce __split_folio_and_update_stats() to
>>    consolidate split task
>>  mm/huge_memory: separate uniform/non uniform split logic in
>>    __split_unmapped_folio()
>>
>> mm/huge_memory.c | 59 +++++++++++++++++++++++++++---------------------
>> 1 file changed, 33 insertions(+), 26 deletions(-)
>>
>> -- 
>> 2.34.1
>
> -- 
> Wei Yang
> Help you, Help me


Best Regards,
Yan, Zi