Hi Byungchul,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.13-rc4 next-20170804]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Byungchul-Park/lockdep-Implement-crossrelease-feature/20170807-172617
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> ERROR: "lookup_page_ext" [net/sunrpc/sunrpc.ko] undefined!
>> ERROR: "lookup_page_ext" [mm/zsmalloc.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/xfs/xfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/ufs/ufs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/udf/udf.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/ubifs/ubifs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/sysv/sysv.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/squashfs/squashfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/romfs/romfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/reiserfs/reiserfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/orangefs/orangefs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/ocfs2/ocfs2.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/ntfs/ntfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/nilfs2/nilfs2.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/nfs/nfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/ncpfs/ncpfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/minix/minix.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/jfs/jfs.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/jffs2/jffs2.ko] undefined!
>> ERROR: "lookup_page_ext" [fs/jbd2/jbd2.ko] undefined!

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