Re: [PATCH 1/1] mm/hugetlb: do not dissolve gigantic pages without runtime support

[Muchun Song]

> On Aug 19, 2026, at 16:52, David Hildenbrand (Arm) <david@xxxxxxxxxx> wrote:
> 
> On 8/17/26 18:20, Longlong Xia wrote:
>> From: Longlong Xia <xialonglong@xxxxxxxxxx>
>> 
>> dissolve_free_hugetlb_folio() doesn't check hstate_is_gigantic_no_runtime(h)
>> though remove_hugetlb_folio()/update_and_free_hugetlb_folio() silently
>> bail for such folios
> 
> That's odd. Why do they silently skip such folios instead of warning that
> something unexpected is happening?
> 
> This screams for a cleanup unless I am missing something :)

Hi David,

Sashiko actually has a pretty detailed description [1]. So I think it deserves a fix.

[1] https://sashiko.dev/#/patchset/20260814083027.1419487-1-xialonglong2025@xxxxxxx

Muchun,
Thanks.

> 
> -- 
> Cheers,
> 
> David