On Jul 24, 2023, at 17:43, Qi Zheng [off-list ref] wrote:

Use new APIs to dynamically allocate the rcu-kfree shrinker.

Signed-off-by: Qi Zheng <redacted>
---
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;