Re: [PATCH alt 13/25] mm/fbatch: no lru_add_drain() to collect_longterm_unpinnable_folios()

[David Hildenbrand (Arm)]

On 8/24/26 16:55, Hugh Dickins wrote:
> collect_longterm_unpinnable_folios() has no use for lru_add_drain() nor
> lru_add_drain_all(), now that the per-cpu fbatch references are gone.
> So remove the recently added lru_cache_drain_for_folio().
> 
> Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
> ---
> Alternate version for use once David Hildenbrand's two commits
> here have been pulled from mm.git into linux.git for 7.3-rc1.

For 7.4 we expect another user of the helper in KVM guest_memfd code (the
primary reason why we introduce the helper), so depending on when this series is
ready it will just remove that user as well, or we'll need some coordination
between trees.

-- 
Cheers,

David