Re: [PATCH v1] mm/vmscan: Account hwpoisoned folios in reclaim statistics

[David Hildenbrand]

On 02.07.25 11:34, 18810879172@xxxxxxx wrote:
> From: wangxuewen <wangxuewen@xxxxxxxxxx>
>
> When encountering a hardware-poisoned folio in shrink_folio_list(),
> we unmap and release the folio but fail to account it in the reclaim
> statistics (sc->nr_reclaimed). This leads to an undercount of
> actually reclaimed pages, potentially causing unnecessary additional
> reclaim pressure.

I'll just note that this kind-of makes sense: the memory is not actually 
reclaimed -- we don't get free memory back. The hwpoisoned page is lost.

--
Cheers,

David / dhildenb