linux-kernel - WARNING: modpost: vmlinux.o(.text+0x62d57c): Section mismatch in reference from the function shuffle_zone() to the function .meminit.text:__shuffle

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Message-ID: <202104172252.izRhwcvA-lkp@intel.com>
Date:   Sat, 17 Apr 2021 22:39:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Oscar Salvador <osalvador@...e.de>
Subject: WARNING: modpost: vmlinux.o(.text+0x62d57c): Section mismatch in
 reference from the function shuffle_zone() to the function
 .meminit.text:__shuffle_zone()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9cdbf6467424045617cd6e79dcaad06bb8efa31c
commit: 4986fac160b3eb1432ca9970d51c55f4f93b1a2e mm/memory_hotplug: enforce section granularity when onlining/offlining
date:   6 months ago
config: arm64-randconfig-r014-20210417 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project f549176ad976caa3e19edd036df9a7e12770af7c)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4986fac160b3eb1432ca9970d51c55f4f93b1a2e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 4986fac160b3eb1432ca9970d51c55f4f93b1a2e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

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

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

>> WARNING: modpost: vmlinux.o(.text+0x62d57c): Section mismatch in reference from the function shuffle_zone() to the function .meminit.text:__shuffle_zone()
The function shuffle_zone() references
the function __meminit __shuffle_zone().
This is often because shuffle_zone lacks a __meminit
annotation or the annotation of __shuffle_zone is wrong.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (33870 bytes)