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X-CSE-ConnectionGUID: MyDLSl6OQayS1URwHEYFIQ== X-CSE-MsgGUID: hxVX/TdCQxS6EjUsvYZ61g== X-IronPort-AV: E=McAfee;i="6800,10657,11921"; a="90670412" X-IronPort-AV: E=Sophos;i="6.27,134,1787036400"; d="scan'208";a="90670412" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Oct 2026 06:01:30 -0700 X-CSE-ConnectionGUID: SmTKwIlMQb6CNTr7xaXZvQ== X-CSE-MsgGUID: jOsYOXY3SmKICHMTPyByyw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,134,1787036400"; d="scan'208";a="274073142" Received: from igk-lkp-server01.igk.intel.com (HELO 3fb566d470b1) ([10.211.93.152]) by orviesa010.jf.intel.com with ESMTP; 01 Oct 2026 06:01:28 -0700 Received: from kbuild by 3fb566d470b1 with local (Exim 4.98.2) (envelope-from ) id 1xCGPc-0000000006J-3tec; Thu, 01 Oct 2026 13:01:24 +0000 Date: Thu, 01 Oct 2026 15:00:38 +0200 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12 9/9] mm/vmscan.c:4372:6: warning: no previous prototype for function 'isolate_folio' Message-ID: <202610011432.V4leVHDj-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: f82d63769e69a466e16c4895f07a627665651cea commit: 0e47a7391b3e2e57c4769f14a7be0ba7b56b10ca [9/9] ANDROID: mm: export isolate_folio and reclaim_pages config: x86_64-randconfig-r2202-20261001 (https://download.01.org/0day-ci/archive/20261001/202610011432.V4leVHDj-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) smatch: v0.5.0-9187-g5189e3fb reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261001/202610011432.V4leVHDj-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/202610011432.V4leVHDj-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from :3: In file included from include/linux/compiler_types.h:171: include/linux/compiler-clang.h:28:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined] 28 | #define __SANITIZE_ADDRESS__ | ^ :353:9: note: previous definition is here 353 | #define __SANITIZE_ADDRESS__ 1 | ^ >> mm/vmscan.c:4372:6: warning: no previous prototype for function 'isolate_folio' [-Wmissing-prototypes] 4372 | bool isolate_folio(struct lruvec *lruvec, struct folio *folio, struct scan_control *sc) | ^ mm/vmscan.c:4372:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 4372 | bool isolate_folio(struct lruvec *lruvec, struct folio *folio, struct scan_control *sc) | ^ | static 2 warnings generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for ASYNC_TX_ENABLE_CHANNEL_SWITCH Depends on [n]: DMADEVICES [=n] Selected by [y]: - GKI_HIDDEN_DMA_CONFIGS [=y] && 64BIT [=y] WARNING: unmet direct dependencies detected for DRM_MIPI_DSI Depends on [n]: HAS_IOMEM [=y] && DRM [=n] Selected by [y]: - GKI_HIDDEN_DRM_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