linux-kernel - Re: [PATCH v2 13/46] hugetlb: add hugetlb_hgm_walk and hugetlb_walk

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Message-ID: <202302190101.aoXrbN26-lkp@intel.com>
Date:   Sun, 19 Feb 2023 02:07:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     James Houghton <jthoughton@...gle.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Muchun Song <songmuchun@...edance.com>,
        Peter Xu <peterx@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        Linux Memory Management List <linux-mm@...ck.org>,
        David Hildenbrand <david@...hat.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Mina Almasry <almasrymina@...gle.com>,
        Zach O'Keefe <zokeefe@...gle.com>,
        Manish Mishra <manish.mishra@...anix.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Yang Shi <shy828301@...il.com>,
        Frank van der Linden <fvdl@...gle.com>,
        Jiaqi Yan <jiaqiyan@...gle.com>, linux-kernel@...r.kernel.org,
        James Houghton <jthoughton@...gle.com>
Subject: Re: [PATCH v2 13/46] hugetlb: add hugetlb_hgm_walk and
 hugetlb_walk_step

Hi James,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20230217]
[cannot apply to kvm/queue shuah-kselftest/next shuah-kselftest/fixes arnd-asm-generic/master linus/master kvm/linux-next v6.2-rc8 v6.2-rc7 v6.2-rc6 v6.2-rc8]
[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/James-Houghton/hugetlb-don-t-set-PageUptodate-for-UFFDIO_CONTINUE/20230218-083216
patch link:    https://lore.kernel.org/r/20230218002819.1486479-14-jthoughton%40google.com
patch subject: [PATCH v2 13/46] hugetlb: add hugetlb_hgm_walk and hugetlb_walk_step
config: arm64-randconfig-r005-20230217 (https://download.01.org/0day-ci/archive/20230219/202302190101.aoXrbN26-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/7e55fe945a1b5f042746277050390bdeba9e22d2
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review James-Houghton/hugetlb-don-t-set-PageUptodate-for-UFFDIO_CONTINUE/20230218-083216
        git checkout 7e55fe945a1b5f042746277050390bdeba9e22d2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302190101.aoXrbN26-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: hugetlb_walk_step
   >>> referenced by hugetlb.c
   >>>               mm/hugetlb.o:(__hugetlb_hgm_walk) in archive vmlinux.a

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests