From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A92B8C433FE for ; Tue, 8 Mar 2022 15:40:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244000AbiCHPln (ORCPT ); Tue, 8 Mar 2022 10:41:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231753AbiCHPll (ORCPT ); Tue, 8 Mar 2022 10:41:41 -0500 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79A544ECC9 for ; Tue, 8 Mar 2022 07:40:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646754045; x=1678290045; h=date:from:to:cc:subject:message-id:mime-version; bh=982OeylbgUqsOrJYjdn0FmN/E/k6EPVv1mvCzWyKIvo=; b=kobE0j5IzLZxPK9n1yALMePxeKTWtKmMsyySVSejbuRnz0UoAdGMYeUv 4vtxK9bvHNCd0lIGrH3JenjLvi9LREM3K0FbObkYLkmbv2pWkFh7vle3O JKWYxSVmvnc8MoVBuWyuoMlTjyNcWLpmjyCOIRoiHmrwRgUr4cbMNRtIv lIEzgMeHAg1Ope35uEDgShqIF0i75U7Xj4npgimF6G3yZYUC+uIHpYliZ 6fnyF7w2PkhiddwM2Gnc2Grk0yyVufZ6VEQz4ibfA724HpWj3G1M5e1be 2+fTbBbWy4Igd7dEdz5w+9THqI+AThuxp4JtGKmDup0E+19VuacwsRINq g==; X-IronPort-AV: E=McAfee;i="6200,9189,10280"; a="252284986" X-IronPort-AV: E=Sophos;i="5.90,165,1643702400"; d="scan'208";a="252284986" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2022 07:40:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,165,1643702400"; d="scan'208";a="643692197" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 08 Mar 2022 07:40:28 -0800 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nRbwq-0001cV-29; Tue, 08 Mar 2022 15:40:28 +0000 Date: Tue, 8 Mar 2022 23:39:32 +0800 From: kernel test robot To: John Stultz Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org Subject: [ammarfaizi2-block:google/android/kernel/common/android12-5.4 4027/9999] drivers/dma-buf/heaps/page_pool.c:236:17: sparse: sparse: symbol 'pool_shrinker' was not declared. Should it be static? Message-ID: <202203082348.wcdj5T0l-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, First bad commit (maybe != root cause): tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-5.4 head: 8a3679a75730c1babde6bf63e35d227f3305bd90 commit: 44008f99d9ca0793e2562967e1da01fa74ee4a41 [4027/9999] ANDROID: dma-buf: system_heap: Add pagepool support to system heap config: x86_64-randconfig-s021-20220307 (https://download.01.org/0day-ci/archive/20220308/202203082348.wcdj5T0l-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/ammarfaizi2/linux-block/commit/44008f99d9ca0793e2562967e1da01fa74ee4a41 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-5.4 git checkout 44008f99d9ca0793e2562967e1da01fa74ee4a41 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/dma-buf/heaps/ init/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/dma-buf/heaps/page_pool.c:236:17: sparse: sparse: symbol 'pool_shrinker' was not declared. Should it be static? drivers/dma-buf/heaps/page_pool.c:243:5: sparse: sparse: symbol 'dmabuf_page_pool_init_shrinker' was not declared. Should it be static? vim +/pool_shrinker +236 drivers/dma-buf/heaps/page_pool.c bd4db96bfc247af John Stultz 2020-10-02 235 bd4db96bfc247af John Stultz 2020-10-02 @236 struct shrinker pool_shrinker = { bd4db96bfc247af John Stultz 2020-10-02 237 .count_objects = dmabuf_page_pool_shrink_count, bd4db96bfc247af John Stultz 2020-10-02 238 .scan_objects = dmabuf_page_pool_shrink_scan, bd4db96bfc247af John Stultz 2020-10-02 239 .seeks = DEFAULT_SEEKS, bd4db96bfc247af John Stultz 2020-10-02 240 .batch = 0, bd4db96bfc247af John Stultz 2020-10-02 241 }; bd4db96bfc247af John Stultz 2020-10-02 242 :::::: The code at line 236 was first introduced by commit :::::: bd4db96bfc247afdaf7a4cfde85fd8147522f3e6 ANDROID: dma-buf: heaps: Add a shrinker controlled page pool :::::: TO: John Stultz :::::: CC: John Stultz --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org