Re: [PATCH v3 26/30 fix] mm: mglru: do not call update_lru_size() during reparenting

[Andrew Morton]

On Thu, 15 Jan 2026 18:44:44 +0800 Qi Zheng <qi.zheng@xxxxxxxxx> wrote:

> From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> 
> Only non-hierarchical lruvec_stats->state_local needs to be reparented,
> so handle it in reparent_state_local(), and remove the unreasonable
> update_lru_size() call in __lru_gen_reparent_memcg().
> 

Thanks, added as a squashable fix against "mm: vmscan: prepare for
reparenting MGLRU folios".