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([140.113.216.168]) by smtp.gmail.com with ESMTPSA id x1-20020a170902ec8100b001eb3d459143sm2849758plg.48.2024.05.03.02.50.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 May 2024 02:50:31 -0700 (PDT) From: Kuan-Wei Chiu To: akpm@linux-foundation.org, Liam.Howlett@oracle.com, nathan@kernel.org Cc: ndesaulniers@google.com, morbo@google.com, justinstitt@google.com, linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org, linux-mm@kvack.org, llvm@lists.linux.dev, jserv@ccns.ncku.edu.tw, Kuan-Wei Chiu Subject: [PATCH] maple_tree: Fix build failure with W=1 and LLVM=1 Date: Fri, 3 May 2024 17:50:27 +0800 Message-Id: <20240503095027.747838-1-visitorckw@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When compiling library code using "make W=1 LLVM=1 lib/", clang generated the following compilation errors: lib/maple_tree.c:351:21: error: unused function 'mte_set_full' [-Werror,-Wunused-function] static inline void *mte_set_full(const struct maple_enode *node) ^ lib/maple_tree.c:356:21: error: unused function 'mte_clear_full' [-Werror,-Wunused-function] static inline void *mte_clear_full(const struct maple_enode *node) ^ lib/maple_tree.c:361:20: error: unused function 'mte_has_null' [-Werror,-Wunused-function] static inline bool mte_has_null(const struct maple_enode *node) ^ 3 errors generated. Remove unused static inline functions to resolve compilation errors with clang. Signed-off-by: Kuan-Wei Chiu --- lib/maple_tree.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 55e1b35bf877..cd3f5399f9f3 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -348,21 +348,6 @@ 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 __always_inline bool ma_is_root(struct maple_node *node) { return ((unsigned long)node->parent & MA_ROOT_PARENT); -- 2.34.1