Re: [PATCH v2 04/28] mm: vmscan: prepare for the refactoring the move_folios_to_lru()

[Shakeel Butt]

On Wed, Dec 17, 2025 at 03:27:28PM +0800, Qi Zheng wrote:
> From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> 
> After refactoring the move_folios_to_lru(), its caller no longer needs to
> hold the lruvec lock, the disabling IRQ is only for __count_vm_events()
> and __mod_node_page_state().
> 
> On the PREEMPT_RT kernel, the local_irq_disable() cannot be used. To
> avoid using local_irq_disable() and reduce the critical section of
> disabling IRQ, 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: Shakeel Butt <shakeel.butt@xxxxxxxxx>