linux-kernel - [PATCH] maple_tree: Remove some unused functions

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Message-Id: <20230217084647.50471-1-jiapeng.chong@linux.alibaba.com>
Date:   Fri, 17 Feb 2023 16:46:47 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     Liam.Howlett@...cle.com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] maple_tree: Remove some unused functions

These functions are defined in the maple_tree.c file, but not called
elsewhere, so delete these unused functions.

lib/maple_tree.c:331:21: warning: unused function 'mte_set_full'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4105
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 lib/maple_tree.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 646297cae5d1..f89b61e37d93 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -328,21 +328,6 @@ static inline void *mte_safe_root(const struct maple_enode *node)
 	return (void *)((unsigned long)node & ~MAPLE_ROOT_NODE);
 }
 
-static inline void *mte_set_full(const struct maple_enode *node)
-{
-	return (void *)((unsigned long)node & ~MAPLE_ENODE_NULL);
-}
-
-static inline void *mte_clear_full(const struct maple_enode *node)
-{
-	return (void *)((unsigned long)node | MAPLE_ENODE_NULL);
-}
-
-static inline bool mte_has_null(const struct maple_enode *node)
-{
-	return (unsigned long)node & MAPLE_ENODE_NULL;
-}
-
 static inline bool ma_is_root(struct maple_node *node)
 {
 	return ((unsigned long)node->parent & MA_ROOT_PARENT);
-- 
2.20.1.7.g153144c