Re: [PATCH 4/4] mm: memory_hotplug: unify Huge/LRU/non-LRU movable folio isolation

[David Hildenbrand <david@xxxxxxxxxx>]

On 25.07.24 03:16, Kefeng Wang wrote:
> Move isolate_hugetlb() after grab a reference, and use the
> isolate_folio_to_list() to unify hugetlb/LRU/non-LRU folio
> isolation, which cleanup code a bit and save a few calls to
> compound_head().

Will this work with free hugetlb folios that have a refcount of 0 and
get_page_unless_zero() would fail?


--
Cheers,

David / dhildenb