maple_tree: remove unused function

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'.

Link: https://lkml.kernel.org/r/20231027084944.24888-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7064
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 925c5742a57d2e63d8f439afb814d23ebec64605..3aa69c6920e169feeaf1a936b193cfbd9b3b5f2c 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -684,35 +684,6 @@ 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