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Mon, 01 Jul 2024 08:41:52 -0700 (PDT) Received: from localhost ([2603:8080:b800:f700:e8c6:2364:637f:c70e]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-701f7b20a00sm1278976a34.63.2024.07.01.08.41.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jul 2024 08:41:51 -0700 (PDT) Date: Mon, 1 Jul 2024 17:41:50 +0200 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Honggyu Kim Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Andrew Morton , Hyeongtak Ji , SeongJae Park Subject: [linux-next:master 6602/7397] mm/damon/paddr.c:360 __damon_pa_migrate_folio_list() error: uninitialized symbol 'nr_succeeded'. Message-ID: <1d0db7b1-74eb-4582-be17-e7dbce3e36bb@suswa.mountain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 942C0160026 X-Stat-Signature: ngrtsaz8h6b1obrxq3xdy5stnyhdhx9k X-HE-Tag: 1719848513-529115 X-HE-Meta: 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 aupQSi5F 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 62c97045b8f720c2eac807a5f38e26c9ed512371 commit: 5311c0a2eee34fd8f4e17382a5f653b95a940ca5 [6602/7397] mm/damon/paddr: introduce DAMOS_MIGRATE_COLD action for demotion config: um-randconfig-r071-20240623 (https://download.01.org/0day-ci/archive/20240625/202406251102.GE07hqfQ-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ad79a14c9e5ec4a369eed4adf567c22cc029863f) 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202406251102.GE07hqfQ-lkp@intel.com/ smatch warnings: mm/damon/paddr.c:360 __damon_pa_migrate_folio_list() error: uninitialized symbol 'nr_succeeded'. vim +/nr_succeeded +360 mm/damon/paddr.c 5311c0a2eee34f Honggyu Kim 2024-06-14 331 static unsigned int __damon_pa_migrate_folio_list( 5311c0a2eee34f Honggyu Kim 2024-06-14 332 struct list_head *migrate_folios, struct pglist_data *pgdat, 5311c0a2eee34f Honggyu Kim 2024-06-14 333 int target_nid) 5311c0a2eee34f Honggyu Kim 2024-06-14 334 { 5311c0a2eee34f Honggyu Kim 2024-06-14 335 unsigned int nr_succeeded; 5311c0a2eee34f Honggyu Kim 2024-06-14 336 nodemask_t allowed_mask = NODE_MASK_NONE; 5311c0a2eee34f Honggyu Kim 2024-06-14 337 struct migration_target_control mtc = { 5311c0a2eee34f Honggyu Kim 2024-06-14 338 /* 5311c0a2eee34f Honggyu Kim 2024-06-14 339 * Allocate from 'node', or fail quickly and quietly. 5311c0a2eee34f Honggyu Kim 2024-06-14 340 * When this happens, 'page' will likely just be discarded 5311c0a2eee34f Honggyu Kim 2024-06-14 341 * instead of migrated. 5311c0a2eee34f Honggyu Kim 2024-06-14 342 */ 5311c0a2eee34f Honggyu Kim 2024-06-14 343 .gfp_mask = (GFP_HIGHUSER_MOVABLE & ~__GFP_RECLAIM) | 5311c0a2eee34f Honggyu Kim 2024-06-14 344 __GFP_NOWARN | __GFP_NOMEMALLOC | GFP_NOWAIT, 5311c0a2eee34f Honggyu Kim 2024-06-14 345 .nid = target_nid, 5311c0a2eee34f Honggyu Kim 2024-06-14 346 .nmask = &allowed_mask 5311c0a2eee34f Honggyu Kim 2024-06-14 347 }; 5311c0a2eee34f Honggyu Kim 2024-06-14 348 5311c0a2eee34f Honggyu Kim 2024-06-14 349 if (pgdat->node_id == target_nid || target_nid == NUMA_NO_NODE) 5311c0a2eee34f Honggyu Kim 2024-06-14 350 return 0; 5311c0a2eee34f Honggyu Kim 2024-06-14 351 5311c0a2eee34f Honggyu Kim 2024-06-14 352 if (list_empty(migrate_folios)) 5311c0a2eee34f Honggyu Kim 2024-06-14 353 return 0; 5311c0a2eee34f Honggyu Kim 2024-06-14 354 5311c0a2eee34f Honggyu Kim 2024-06-14 355 /* Migration ignores all cpuset and mempolicy settings */ 5311c0a2eee34f Honggyu Kim 2024-06-14 356 migrate_pages(migrate_folios, alloc_migrate_folio, NULL, 5311c0a2eee34f Honggyu Kim 2024-06-14 357 (unsigned long)&mtc, MIGRATE_ASYNC, MR_DAMON, 5311c0a2eee34f Honggyu Kim 2024-06-14 358 &nr_succeeded); 5311c0a2eee34f Honggyu Kim 2024-06-14 359 5311c0a2eee34f Honggyu Kim 2024-06-14 @360 return nr_succeeded; This can be compiled with CONFIG_MIGRATION disabled so migrate_pages() is a no-op that returns -ENOSYS. 5311c0a2eee34f Honggyu Kim 2024-06-14 361 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki