Replace call_rcu() + kmem_cache_free() with kfree_rcu() to simplify the code and reduce function size. Signed-off-by: Fushuai Wang --- drivers/net/wireguard/allowedips.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireguard/allowedips.c b/drivers/net/wireguard/allowedips.c index 09f7fcd7da78..506f7cf0d7cf 100644 --- a/drivers/net/wireguard/allowedips.c +++ b/drivers/net/wireguard/allowedips.c @@ -48,11 +48,6 @@ static void push_rcu(struct allowedips_node **stack, } } -static void node_free_rcu(struct rcu_head *rcu) -{ - kmem_cache_free(node_cache, container_of(rcu, struct allowedips_node, rcu)); -} - static void root_free_rcu(struct rcu_head *rcu) { struct allowedips_node *node, *stack[MAX_ALLOWEDIPS_DEPTH] = { @@ -271,13 +266,13 @@ static void remove_node(struct allowedips_node *node, struct mutex *lock) if (free_parent) child = rcu_dereference_protected(parent->bit[!(node->parent_bit_packed & 1)], lockdep_is_held(lock)); - call_rcu(&node->rcu, node_free_rcu); + kfree_rcu(&node, rcu); if (!free_parent) return; if (child) child->parent_bit_packed = parent->parent_bit_packed; *(struct allowedips_node **)(parent->parent_bit_packed & ~3UL) = child; - call_rcu(&parent->rcu, node_free_rcu); + kfree_rcu(&parent, rcu); } static int remove(struct allowedips_node __rcu **trie, u8 bits, const u8 *key, -- 2.36.1