linux-kernel - WARNING: modpost: vmlinux.o(.text+0x5b811): Section mismatch in reference from the function test_bit() to the variable .init.data:numa_nodes

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Message-ID: <202111260506.fhLfHV1D-lkp@intel.com>
Date:   Fri, 26 Nov 2021 05:41:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: WARNING: modpost: vmlinux.o(.text+0x5b811): Section mismatch in
 reference from the function test_bit() to the variable
 .init.data:numa_nodes_parsed

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b501b85957deb17f1fe0a861fee820255519d526
commit: d0a3ac549f389c1511a4df0d7638536305205d20 ubsan: enable for all*config builds
date:   12 months ago
config: x86_64-buildonly-randconfig-r001-20211122 (https://download.01.org/0day-ci/archive/20211126/202111260506.fhLfHV1D-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c133fb321f7ca6083ce15b6aa5bf89de6600e649)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d0a3ac549f389c1511a4df0d7638536305205d20
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout d0a3ac549f389c1511a4df0d7638536305205d20
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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+0x5b811): Section mismatch in reference from the function test_bit() to the variable .init.data:numa_nodes_parsed
The function test_bit() references
the variable __initdata numa_nodes_parsed.
This is often because test_bit lacks a __initdata
annotation or the annotation of numa_nodes_parsed is wrong.
--
>> WARNING: modpost: vmlinux.o(.text+0x5b877): Section mismatch in reference from the function __next_node() to the variable .init.data:numa_nodes_parsed
The function __next_node() references
the variable __initdata numa_nodes_parsed.
This is often because __next_node lacks a __initdata
annotation or the annotation of numa_nodes_parsed is wrong.

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