Re: [PATCH v2] mm: add lazyfree folio to lru tail

David Hildenbrand
2024-08-16T10:20:05Z

On 16.08.24 09:48, gaoxu wrote:
> Replace lruvec_add_folio with lruvec_add_folio_tail in the lru_lazyfree_fn:
> 1. The lazy-free folio is added to the LRU_INACTIVE_FILE list. If it's
> moved to the LRU tail, it allows for faster release lazy-free folio and
> reduces the impact on file refault.
> 2. When mglru is enabled, the lazy-free folio is reclaimabled and should be
> added using lru_gen_add_folio(lruvec, folio, true) instead of
> lru_gen_add_folio(lruvec, folio, false) for adding to gen.
>
> With the change in place, workingset_refault_file is reduced by 33% in the
> continuous startup testing of the applications in the Android system.
>

The patch subject does not match what you do in the patch -- at all.

"mm/swap: use lruvec_add_folio_tail() in lru_lazyfree()" ?

--
Cheers,

David / dhildenb