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Date:   Wed, 30 Jun 2021 15:25:49 +0800
From:   kernel test robot <>
To:     Zhang Yi <>
        Theodore Ts'o <>, Jan Kara <>
Subject: [ext4:dev 27/31] ERROR: modpost: "jbd2_journal_unregister_shrinker"

tree: dev
head:   d578b99443fde0968246cc7cbf3bc3016123c2f4
commit: 4ba3fcdde7e36af93610ceb3cc38365b14539865 [27/31] jbd2,ext4: add a shrinker to release checkpointed buffers
config: xtensa-randconfig-s032-20210628 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
        wget -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        git remote add ext4
        git fetch --no-tags ext4 dev
        git checkout 4ba3fcdde7e36af93610ceb3cc38365b14539865
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=xtensa 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "jbd2_journal_unregister_shrinker" undefined!
>> ERROR: modpost: "jbd2_journal_register_shrinker" undefined!

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (29397 bytes)

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