Re: [PATCH v2 1/3] mm: vmscan: move shrinker_debugfs_remove() before synchronize_srcu()

[Roman Gushchin]

On Mon, Jun 05, 2023 at 10:03:02PM +0300, Kirill Tkhai wrote:
> From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> 
> The debugfs_remove_recursive() will wait for debugfs_file_put()
> to return, so there is no need to put it after synchronize_srcu()
> to wait for the rcu read-side critical section to exit.
> 
> Just move it before synchronize_srcu(), which is also convenient
> to put the heavy synchronize_srcu() in the delayed work later.
> 
> Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>

Acked-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>