Re: [PATCH v3 04/30] mm: vmscan: prepare for the refactoring the move_folios_to_lru()

[Muchun Song]

> On Jan 14, 2026, at 19:26, Qi Zheng <qi.zheng@xxxxxxxxx> wrote:
> 
> From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> 
> Once we refactor move_folios_to_lru(), its callers will no longer have to
> hold the lruvec lock; For shrink_inactive_list(), shrink_active_list() and
> evict_folios(), IRQ disabling is only needed for __count_vm_events() and
> __mod_node_page_state().
> 
> To avoid using local_irq_disable() on the PREEMPT_RT kernel, let's make
> all callers of move_folios_to_lru() use IRQ-safed count_vm_events() and
> mod_node_page_state().
> 
> Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Acked-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>
> Reviewed-by: Chen Ridong <chenridong@xxxxxxxxxx>

Acked-by: Muchun Song <muchun.song@xxxxxxxxx>