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X-CSE-ConnectionGUID: s6Dv9X8QTmG363/hweJOuQ== X-CSE-MsgGUID: FHXhIiTiTWWquQ8MWNYzfA== X-IronPort-AV: E=McAfee;i="6800,10657,11643"; a="79263706" X-IronPort-AV: E=Sophos;i="6.21,153,1763452800"; d="scan'208";a="79263706" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2025 05:09:20 -0800 X-CSE-ConnectionGUID: 15HNIl5oQ0q6wU2ch0cjvQ== X-CSE-MsgGUID: qZQU74X1T1S8vd3lHo0D9A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,153,1763452800"; d="scan'208";a="197636027" Received: from igk-lkp-server01.igk.intel.com (HELO 8a0c053bdd2a) ([10.211.93.152]) by fmviesa007.fm.intel.com with ESMTP; 16 Dec 2025 05:09:16 -0800 Received: from kbuild by 8a0c053bdd2a with local (Exim 4.98.2) (envelope-from ) id 1vVUni-00000000364-0DGy; Tue, 16 Dec 2025 13:09:14 +0000 Date: Tue, 16 Dec 2025 14:08:14 +0100 From: kernel test robot To: Vernon Yang , akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, ziy@nvidia.com, npache@redhat.com, baohua@kernel.org, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vernon Yang Subject: Re: [PATCH 3/4] mm: khugepaged: move mm to list tail when MADV_COLD/MADV_FREE Message-ID: <202512161406.RfF1dIYB-lkp@intel.com> References: <20251215090419.174418-4-yanglincheng@kylinos.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251215090419.174418-4-yanglincheng@kylinos.cn> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 1CC1CC000A X-Stat-Signature: aissaozt3196e1qqxknqy3gppwhzcq5x X-Rspam-User: X-HE-Tag: 1765890560-882223 X-HE-Meta: U2FsdGVkX18xrpmryj+HdUJOSPdnMy3Wtrc3mzzyYyuPBuulqGtY8x/y9mjNTwMsWT3/BQFAITMCg62SRq7zXLQICbWgVdr51EVMeDxPoKoEiuauAql6K0N+0uQ/F+rmH6BvG9fyCZkoz2r0xQObEo5NVHUDDnR0J2hZAJOowgmJBy1Nzm/WO74GmFkCay7gyqwAamXFEbZhwj8JGx808i+CA3NYSR0JSh5G6Tt4qfCg7hqg2dc8wAKB3DWwrz6dJsqq6QYZ8UweUqd1WKGxvKj1N8imHVypoQIa16jABXHpVkY65QJM+PdYKonXMGF8wI9eeKfIo/JMk9Tf1KYiQ2v9VRNT0oQQI7ajffpMONQsuAr/ersjku5q6MXxbGfsCwR2LK6oaw8vLkg4DC5EnRBOyTPMo4e/8rm4/pMODxHu7IvR63e06duJ1/rc+/AKocpWuVtnIVnxpW6D8T90iAiic3/yRer+Aeq0HyTM8YyuQp5tqVjYekcow1ktXUVphbHsppng7SDuQe7UvFg+DNyE4Rbn/ZLMoXTAh1EfPob6A3j87BJLL1GaH0qwLmQNsBVBgRb4/qvRdg/cQ2xreiMVjC2wn1oIRAp9P6POijkJ09axkwFGFtwBGYV01IhlwWPeMPJuxNx81n2xQam9aDQUyest616E/yiDzxIXoDQSExTa6Ob1n3r7A+WdHX4YzmjhSnuolO/v1yFalOV37kCu+on+2UuPgIVDtUwfk1um8nUdor0IxyM97B57L+BHVCfJoMg9Uw/9SNFrcA+nAa61avxS1eReYbMNKDSZylFsnYWOLoHWxOaPgRGQvim54w9XsN3Hh0zZ4iBonGntEvQC3PyePMR0TsI7z90dyaawsoUs9nbSf02nGeWlxRRR/3jzlM53JjTp1N7SyFP7fRUUg5KSiIXS02p+puAehfHMWwffLmqDL/X82SYIoezdzxDCMmlCzwrGoaXe1j5 vLgsRLFp kvq6QSI6Xz83jLgTQaUs/OM988OrT/jbqwd7Re196NsutP1ZUwWre8wNsB197Td8IJEdJ+f998H+/cyDs+frUZkxXJ4gsPlCfUFaltWZXp4L+6XURn6wxFWocEMzSZyLznv2RM7I8eRziLjwHIpfYetb6jiUT9UP9NFTSlrfLvHieW2E+dzzt3Cy0OhrQExsiu6eBn1DmDhEehpKFfGYV7SQKWFm9hLC02B7z/tDRppxrvxZYPlKT4Abu4gemB9dwQRFhOwWuPr/aH0jGdlOBqaqKPgvItsaN7E/PD9TunsRIClD8GrZF1JCa63hg+cozWEzs8oWch8bqUaoNu60aNEWqemW7OiQQ5wGc+frm+rDWdHN4MmSmBdr7h/TtdjdO5wnCbrmrb6o0H7Qad8RnfxptHw== 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: Hi Vernon, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.19-rc1 next-20251216] [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/Vernon-Yang/mm-khugepaged-add-trace_mm_khugepaged_scan-event/20251215-171046 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20251215090419.174418-4-yanglincheng%40kylinos.cn patch subject: [PATCH 3/4] mm: khugepaged: move mm to list tail when MADV_COLD/MADV_FREE config: x86_64-kexec (https://download.01.org/0day-ci/archive/20251216/202512161406.RfF1dIYB-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251216/202512161406.RfF1dIYB-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/202512161406.RfF1dIYB-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/madvise.c:609:2: error: call to undeclared function 'khugepaged_move_tail'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 609 | khugepaged_move_tail(vma->vm_mm); | ^ mm/madvise.c:837:2: error: call to undeclared function 'khugepaged_move_tail'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 837 | khugepaged_move_tail(mm); | ^ 2 errors generated. vim +/khugepaged_move_tail +609 mm/madvise.c 595 596 static long madvise_cold(struct madvise_behavior *madv_behavior) 597 { 598 struct vm_area_struct *vma = madv_behavior->vma; 599 struct mmu_gather tlb; 600 601 if (!can_madv_lru_vma(vma)) 602 return -EINVAL; 603 604 lru_add_drain(); 605 tlb_gather_mmu(&tlb, madv_behavior->mm); 606 madvise_cold_page_range(&tlb, madv_behavior); 607 tlb_finish_mmu(&tlb); 608 > 609 khugepaged_move_tail(vma->vm_mm); 610 611 return 0; 612 } 613 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki