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X-CSE-ConnectionGUID: XyZ+zH3kTwmAOB5RiRY2xw== X-CSE-MsgGUID: eehynjF0ThO5wSi9grKGgA== X-IronPort-AV: E=McAfee;i="6800,10657,11824"; a="105645707" X-IronPort-AV: E=Sophos;i="6.24,218,1774335600"; d="scan'208";a="105645707" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2026 03:39:37 -0700 X-CSE-ConnectionGUID: 5WAWhcafSviG17NIA9XJpg== X-CSE-MsgGUID: 2Hx050DEQfu17fYaXD4+6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,218,1774335600"; d="scan'208";a="273265731" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa001.fm.intel.com with ESMTP; 22 Jun 2026 03:39:35 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wbc3w-00000000101-3TIO; Mon, 22 Jun 2026 10:39:32 +0000 Date: Mon, 22 Jun 2026 18:38:55 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12 0/1] mm/vmscan.c:4372:6: warning: no previous prototype for 'isolate_folio' Message-ID: <202606221823.Qfd5T6WA-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi yipeng, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android16-6.12 head: 74c43557c8aed4002d058c4e88c768a6086df9c2 commit: 0e47a7391b3e2e57c4769f14a7be0ba7b56b10ca [0/1] ANDROID: mm: export isolate_folio and reclaim_pages config: x86_64-randconfig-071-20260622 (https://download.01.org/0day-ci/archive/20260622/202606221823.Qfd5T6WA-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260622/202606221823.Qfd5T6WA-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/202606221823.Qfd5T6WA-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/vmscan.c:4372:6: warning: no previous prototype for 'isolate_folio' [-Wmissing-prototypes] 4372 | bool isolate_folio(struct lruvec *lruvec, struct folio *folio, struct scan_control *sc) | ^~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for CAN_RX_OFFLOAD Depends on [n]: NETDEVICES [=y] && CAN_DEV [=n] && CAN_NETLINK [=n] Selected by [y]: - GKI_HIDDEN_MCP251XFD_CONFIGS [=y] && 64BIT [=y] vim +/isolate_folio +4372 mm/vmscan.c 4371 > 4372 bool isolate_folio(struct lruvec *lruvec, struct folio *folio, struct scan_control *sc) 4373 { 4374 bool success; 4375 4376 /* swap constrained */ 4377 if (!(sc->gfp_mask & __GFP_IO) && 4378 (folio_test_dirty(folio) || 4379 (folio_test_anon(folio) && !folio_test_swapcache(folio)))) 4380 return false; 4381 4382 /* raced with release_pages() */ 4383 if (!folio_try_get(folio)) 4384 return false; 4385 4386 /* raced with another isolation */ 4387 if (!folio_test_clear_lru(folio)) { 4388 folio_put(folio); 4389 return false; 4390 } 4391 4392 /* see the comment on MAX_NR_TIERS */ 4393 if (!folio_test_referenced(folio)) 4394 set_mask_bits(&folio->flags, LRU_REFS_MASK | LRU_REFS_FLAGS, 0); 4395 4396 /* for shrink_folio_list() */ 4397 folio_clear_reclaim(folio); 4398 folio_clear_referenced(folio); 4399 4400 success = lru_gen_del_folio(lruvec, folio, true); 4401 VM_WARN_ON_ONCE_FOLIO(!success, folio); 4402 4403 return true; 4404 } 4405 EXPORT_SYMBOL_GPL(isolate_folio); 4406 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki