Re: [f2fs-dev] [PATCH v2 17/47] rcu: dynamically allocate the rcu-lazy shrinker

[Muchun Song]

> On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.a...@bytedance.com> wrote:
> 
> Use new APIs to dynamically allocate the rcu-lazy shrinker.
> 
> Signed-off-by: Qi Zheng <zhengqi.a...@bytedance.com>
> ---
> kernel/rcu/tree_nocb.h | 19 +++++++++++--------
> 1 file changed, 11 insertions(+), 8 deletions(-)
> 
> diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h
> index 43229d2b0c44..919f17561733 100644
> --- a/kernel/rcu/tree_nocb.h
> +++ b/kernel/rcu/tree_nocb.h
> @@ -1397,12 +1397,7 @@ lazy_rcu_shrink_scan(struct shrinker *shrink, struct 
> shrink_control *sc)
> return count ? count : SHRINK_STOP;
> }
> 
> -static struct shrinker lazy_rcu_shrinker = {
> -     .count_objects = lazy_rcu_shrink_count,
> -     .scan_objects = lazy_rcu_shrink_scan,
> -     .batch = 0,
> -     .seeks = DEFAULT_SEEKS,
> -};
> +static struct shrinker *lazy_rcu_shrinker;

Seems there is no users of this variable, maybe we could drop
this.



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