linux-kernel - WARNING: modpost: vmlinux: section mismatch in reference: alloc_tag_restore+0x3c (section: .text.unlikely) -> initcall_level

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Message-ID: <202407032306.gi9nZsBi-lkp@intel.com>
Date: Wed, 3 Jul 2024 23:42:05 +0800
From: kernel test robot <lkp@...el.com>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	Kees Cook <keescook@...omium.org>
Subject: WARNING: modpost: vmlinux: section mismatch in reference:
 alloc_tag_restore+0x3c (section: .text.unlikely) -> initcall_level_names
 (section: .init.data)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e9d22f7a6655941fc8b2b942ed354ec780936b3e
commit: b951aaff503502a7fe066eeed2744ba8a6413c89 mm: enable page allocation tagging
date:   10 weeks ago
config: xtensa-randconfig-r051-20240703 (https://download.01.org/0day-ci/archive/20240703/202407032306.gi9nZsBi-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240703/202407032306.gi9nZsBi-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407032306.gi9nZsBi-lkp@intel.com/

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

WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
>> WARNING: modpost: vmlinux: section mismatch in reference: alloc_tag_restore+0x3c (section: .text.unlikely) -> initcall_level_names (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: bitmap_copy_clear_tail+0x44 (section: .text.unlikely) -> __setup_str_initcall_blacklist (section: .init.rodata)

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