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Date: Fri, 26 Apr 2024 22:24:52 +0800
From: kernel test robot <lkp@intel.com>
To: Liam Howlett <liam.howlett@oracle.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>
Subject: lib/maple_tree.c:336:20: error: unused function 'mte_has_null'
Message-ID: <202404262254.lEmMOMMd-lkp@intel.com>
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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c942a0cd3603e34dd2d7237e064d9318cb7f9654
commit: 6e7ba8b5e2380f941dda8a1025d70c5ce5b38982 maple_tree: mte_set_full() and mte_clear_full() clang-analyzer clean up
date:   1 year, 5 months ago
config: x86_64-sof-customedconfig-amd-defconfig (https://download.01.org/0day-ci/archive/20240426/202404262254.lEmMOMMd-lkp@intel.com/config)
compiler: clang version 18.1.4 (https://github.com/llvm/llvm-project e6c3289804a67ea0bb6a86fadbe454dd93b8d855)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240426/202404262254.lEmMOMMd-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404262254.lEmMOMMd-lkp@intel.com/

All errors (new ones prefixed by >>):

   lib/maple_tree.c:326:21: error: unused function 'mte_set_full' [-Werror,-Wunused-function]
     326 | static inline void *mte_set_full(const struct maple_enode *node)
         |                     ^~~~~~~~~~~~
   lib/maple_tree.c:331:21: error: unused function 'mte_clear_full' [-Werror,-Wunused-function]
     331 | static inline void *mte_clear_full(const struct maple_enode *node)
         |                     ^~~~~~~~~~~~~~
>> lib/maple_tree.c:336:20: error: unused function 'mte_has_null' [-Werror,-Wunused-function]
     336 | static inline bool mte_has_null(const struct maple_enode *node)
         |                    ^~~~~~~~~~~~
   3 errors generated.


vim +/mte_has_null +336 lib/maple_tree.c

   335	
 > 336	static inline bool mte_has_null(const struct maple_enode *node)
   337	{
   338		return (unsigned long)node & MAPLE_ENODE_NULL;
   339	}
   340	

-- 
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https://github.com/intel/lkp-tests/wiki