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Subject[PATCH v8 06/17] mm: Refactoring in workingset_init()
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Date
Use prealloc_shrinker()/register_shrinker_prepared()
instead of register_shrinker(). This will be used
in next patch.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Tested-by: Shakeel Butt <shakeelb@google.com>
---
mm/workingset.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/workingset.c b/mm/workingset.c
index a466e731231d..b16489c60471 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -507,16 +507,17 @@ static int __init workingset_init(void)
pr_info("workingset: timestamp_bits=%d max_order=%d bucket_order=%u\n",
timestamp_bits, max_order, bucket_order);

- /* list_lru lock nests inside the IRQ-safe i_pages lock */
- ret = __list_lru_init(&shadow_nodes, true, true, &shadow_nodes_key);
+ ret = prealloc_shrinker(&workingset_shadow_shrinker);
if (ret)
goto err;
- ret = register_shrinker(&workingset_shadow_shrinker);
+ /* list_lru lock nests inside the IRQ-safe i_pages lock */
+ ret = __list_lru_init(&shadow_nodes, true, true, &shadow_nodes_key);
if (ret)
goto err_list_lru;
+ register_shrinker_prepared(&workingset_shadow_shrinker);
return 0;
err_list_lru:
- list_lru_destroy(&shadow_nodes);
+ free_prealloced_shrinker(&workingset_shadow_shrinker);
err:
return ret;
}
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