[PATCH v2 3/3] maple_tree: Replace mt_free_one() with kfree()

From: Pedro Falcato
Date: Tue Aug 12 2025 - 12:28:09 EST


kfree() is a little shorter and works with kmem_cache_alloc'd pointers
too. Also lets us remove one more helper.

Signed-off-by: Pedro Falcato <pfalcato@xxxxxxx>
---
lib/maple_tree.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 91da2d9d00c3..3b756f1b67fd 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -181,11 +181,6 @@ static inline int mt_alloc_bulk(gfp_t gfp, size_t size, void **nodes)
return kmem_cache_alloc_bulk(maple_node_cache, gfp, size, nodes);
}

-static inline void mt_free_one(struct maple_node *node)
-{
- kmem_cache_free(maple_node_cache, node);
-}
-
static inline void mt_free_bulk(size_t size, void __rcu **nodes)
{
kmem_cache_free_bulk(maple_node_cache, size, (void **)nodes);
@@ -5274,7 +5269,7 @@ static void mt_free_walk(struct rcu_head *head)
mt_free_bulk(node->slot_len, slots);

free_leaf:
- mt_free_one(node);
+ kfree(node);
}

static inline void __rcu **mte_destroy_descend(struct maple_enode **enode,
@@ -5358,7 +5353,7 @@ static void mt_destroy_walk(struct maple_enode *enode, struct maple_tree *mt,

free_leaf:
if (free)
- mt_free_one(node);
+ kfree(node);
else
mt_clear_meta(mt, node, node->type);
}
@@ -5585,7 +5580,7 @@ void mas_destroy(struct ma_state *mas)
mt_free_bulk(count, (void __rcu **)&node->slot[1]);
total -= count;
}
- mt_free_one(ma_mnode_ptr(node));
+ kfree(ma_mnode_ptr(node));
total--;
}

@@ -6630,7 +6625,7 @@ static void mas_dup_free(struct ma_state *mas)
}

node = mte_to_node(mas->node);
- mt_free_one(node);
+ kfree(node);
}

/*
--
2.50.1