Re: [PATCH] maple_tree: Remove unused function

From: David Hildenbrand
Date: Fri Oct 27 2023 - 05:33:49 EST


On 27.10.23 10:49, Jiapeng Chong wrote:
The function are defined in the maple_tree.c file, but not called
elsewhere, so delete the unused function.

lib/maple_tree.c:689:29: warning: unused function 'mas_pivot'.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7064
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 29 -----------------------------
1 file changed, 29 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index bb24d84a4922..cf889aaa0011 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -679,35 +679,6 @@ static inline unsigned long *ma_gaps(struct maple_node *node,
return NULL;
}
-/*
- * mas_pivot() - Get the pivot at @piv of the maple encoded node.
- * @mas: The maple state.
- * @piv: The pivot.
- *
- * Return: the pivot at @piv of @mn.
- */
-static inline unsigned long mas_pivot(struct ma_state *mas, unsigned char piv)
-{
- struct maple_node *node = mas_mn(mas);
- enum maple_type type = mte_node_type(mas->node);
-
- if (MAS_WARN_ON(mas, piv >= mt_pivots[type])) {
- mas_set_err(mas, -EIO);
- return 0;
- }
-
- switch (type) {
- case maple_arange_64:
- return node->ma64.pivot[piv];
- case maple_range_64:
- case maple_leaf_64:
- return node->mr64.pivot[piv];
- case maple_dense:
- return 0;
- }
- return 0;
-}
-
/*
* mas_safe_pivot() - get the pivot at @piv or mas->max.
* @mas: The maple state

Think the last user was removed with c2aa6f5328b9 ("maple_tree: drop mas_{rev_}alloc() and mas_fill_gap()").

Acked-by: David Hildenbrand <david@xxxxxxxxxx>


--
Cheers,

David / dhildenb