[PATCH 16/24] mm/list_lru.c: Rename kvfree_rcu() to local variant

Uladzislau Rezki (Sony)
2020-04-28T21:00:06Z

Rename kvfree_rcu() function to the kvfree_rcu_local() one. The aim is
to introduce the public API that would conflict with this one. So we
temporarily rename it and remove it in a later commit.

Cc: linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: rcu@vger.kernel.org
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
mm/list_lru.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/list_lru.c b/mm/list_lru.c
index 4d5294c39bba..42c95bcb53ca 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -373,14 +373,14 @@ static void memcg_destroy_list_lru_node(struct list_lru_node *nlru)
struct list_lru_memcg *memcg_lrus;
/*
* This is called when shrinker has already been unregistered,
- * and nobody can use it. So, there is no need to use kvfree_rcu().
+ * and nobody can use it. So, there is no need to use kvfree_rcu_local().
*/
memcg_lrus = rcu_dereference_protected(nlru->memcg_lrus, true);
__memcg_destroy_list_lru_node(memcg_lrus, 0, memcg_nr_cache_ids);
kvfree(memcg_lrus);
}

-static void kvfree_rcu(struct rcu_head *head)
+static void kvfree_rcu_local(struct rcu_head *head)
{
struct list_lru_memcg *mlru;

@@ -419,7 +419,7 @@ static int memcg_update_list_lru_node(struct list_lru_node *nlru,
rcu_assign_pointer(nlru->memcg_lrus, new);
spin_unlock_irq(&nlru->lock);

- call_rcu(&old->rcu, kvfree_rcu);
+ call_rcu(&old->rcu, kvfree_rcu_local);
return 0;
}

--
2.20.1