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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260402143947.162844-1-ysk@kzalloc.com> X-Rspam-User: X-Stat-Signature: rna5yzz8o8zf1rnykxeg3xf78mp356a4 X-Rspamd-Queue-Id: C3A6C4000F X-Rspamd-Server: rspam09 X-HE-Tag: 1775534445-54585 X-HE-Meta: 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 oq8ml1A7 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Yunseong, kernel test robot noticed the following build warnings: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus kees/for-next/pstore kees/for-next/kspp shuah-kselftest/next shuah-kselftest/fixes soc/for-next linus/master v7.0-rc6 next-20260403] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yunseong-Kim/lkdtm-Add-folio_lock-deadlock-scenarios/20260405-145013 base: char-misc/char-misc-testing patch link: https://lore.kernel.org/r/20260402143947.162844-1-ysk%40kzalloc.com patch subject: [PATCH] lkdtm: Add folio_lock deadlock scenarios config: s390-randconfig-001-20260405 (https://download.01.org/0day-ci/archive/20260405/202604051803.UYvkxRXB-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c80443cd37b2e2788cba67ffa180a6331e5f0791) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260405/202604051803.UYvkxRXB-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202604051803.UYvkxRXB-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/misc/lkdtm/deadlock.c:99:44: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 99 | static int lkdtm_folio_mutex_kthread(void *) | ^ drivers/misc/lkdtm/deadlock.c:112:44: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 112 | static int lkdtm_mutex_folio_kthread(void *) | ^ drivers/misc/lkdtm/deadlock.c:228:38: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 228 | static int lkdtm_waiter_thread(void *) | ^ 3 warnings generated. vim +99 drivers/misc/lkdtm/deadlock.c 97 98 /* Attempting 'folio_lock() A then Mutex B' order */ > 99 static int lkdtm_folio_mutex_kthread(void *) 100 { 101 while (true) { 102 folio_lock(folio_common); 103 mutex_lock(&mutex_b); 104 mutex_unlock(&mutex_b); 105 folio_unlock(folio_common); 106 } 107 108 return 0; 109 } 110 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki