Re: [PATCH v3 2/3] mm: shmem: move unused huge shrinklist queuing past the truncation check

On 8/3/26 4:46 PM, Qi Zheng wrote:
> From: Qi Zheng <[email protected]>
> 
> The shmem_get_folio_gfp() adds the inode to the unused huge shrinker list
> at the alloced label, but a subsequent truncation check may still fail and
> remove the folio, leaving the inode on the list with a stale folio.
> 
> The original code works because the shrinker re-looks-up the folio and
> drops stale entries, but it is cleaner to queue the inode only after all
> checks that might remove the folio have passed.
> 
> So just make the pure structural move with no functional change, and it
> serves as preparation for the memcg-aware shrinker conversion.
> 
> Signed-off-by: Qi Zheng <[email protected]>


missed adding:

Suggested-by: Baolin Wang <[email protected]>