> On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote: > > The debugfs_remove_recursive() will wait for debugfs_file_put() to return, > so the shrinker will not be freed when doing debugfs operations (such as > shrinker_debugfs_count_show() and shrinker_debugfs_scan_write()), so there > is no need to hold shrinker_rwsem during debugfs operations. > > Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Thanks.