[PATCH v2 18/47] rcu: dynamically allocate the rcu-kfree shrinker

[Muchun Song]

> On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.arch at bytedance.com> wrote:
> 
> Use new APIs to dynamically allocate the rcu-kfree shrinker.
> 
> Signed-off-by: Qi Zheng <zhengqi.arch at bytedance.com>
> ---
> kernel/rcu/tree.c | 21 +++++++++++++--------
> 1 file changed, 13 insertions(+), 8 deletions(-)
> 
> diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> index 1449cb69a0e0..d068ce3567fc 100644
> --- a/kernel/rcu/tree.c
> +++ b/kernel/rcu/tree.c
> @@ -3445,12 +3445,7 @@ kfree_rcu_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
> return freed == 0 ? SHRINK_STOP : freed;
> }
> 
> -static struct shrinker kfree_rcu_shrinker = {
> -	.count_objects = kfree_rcu_shrink_count,
> -	.scan_objects = kfree_rcu_shrink_scan,
> -	.batch = 0,
> -	.seeks = DEFAULT_SEEKS,
> -};
> +static struct shrinker *kfree_rcu_shrinker;

Same as patch #17.