linux-kernel - [openeuler:openEuler-1.0-LTS 1336/1336] mm/.tmp_sparse.o: warning: objtool: missing symbol for section .init.text

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Message-ID: <202412200657.MNv3HQPe-lkp@intel.com>
Date: Fri, 20 Dec 2024 06:56:34 +0800
From: kernel test robot <lkp@...el.com>
To: kernel@...neuler.org, Linus Torvalds <torvalds@...ux-foundation.org>
Cc: oe-kbuild-all@...ts.linux.dev, LKML <linux-kernel@...r.kernel.org>
Subject: [openeuler:openEuler-1.0-LTS 1336/1336] mm/.tmp_sparse.o: warning:
 objtool: missing symbol for section .init.text

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   8fbcff0074ff9f93ea927547e99e1dde27ddc7c5
commit: 2a3cb8baef71e4dad4a6ec17f5f0db9e05f46a01 [1336/1336] mm/sparse: delete old sparse_init and enable new one
config: x86_64-buildonly-randconfig-001-20241219 (https://download.01.org/0day-ci/archive/20241220/202412200657.MNv3HQPe-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241220/202412200657.MNv3HQPe-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/202412200657.MNv3HQPe-lkp@intel.com/

All warnings (new ones prefixed by >>):

   mm/sparse.c: In function 'sparse_init_nid':
   mm/sparse.c:199:27: warning: comparison of unsigned expression in '>= 0' is always true [-Wtype-limits]
     199 |              ((section_nr >= 0) &&                              \
         |                           ^~
   mm/sparse.c:461:9: note: in expansion of macro 'for_each_present_section_nr'
     461 |         for_each_present_section_nr(pnum_begin, pnum) {
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   mm/sparse.c:199:27: warning: comparison of unsigned expression in '>= 0' is always true [-Wtype-limits]
     199 |              ((section_nr >= 0) &&                              \
         |                           ^~
   mm/sparse.c:480:9: note: in expansion of macro 'for_each_present_section_nr'
     480 |         for_each_present_section_nr(pnum_begin, pnum) {
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   mm/sparse.c: In function 'sparse_init':
   mm/sparse.c:199:27: warning: comparison of unsigned expression in '>= 0' is always true [-Wtype-limits]
     199 |              ((section_nr >= 0) &&                              \
         |                           ^~
   mm/sparse.c:503:9: note: in expansion of macro 'for_each_present_section_nr'
     503 |         for_each_present_section_nr(pnum_begin + 1, pnum_end) {
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> mm/.tmp_sparse.o: warning: objtool: missing symbol for section .init.text

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