linux-kernel - WARNING: modpost: vmlinux: section mismatch in reference: hash_debug_pagealloc_alloc_slots+0xb0 (section: .text) -> memblock_alloc_try

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Message-ID: <202504190552.mnFGs5sj-lkp@intel.com>
Date: Sat, 19 Apr 2025 05:35:35 +0800
From: kernel test robot <lkp@...el.com>
To: "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Michael Ellerman <mpe@...erman.id.au>
Subject: WARNING: modpost: vmlinux: section mismatch in reference:
 hash_debug_pagealloc_alloc_slots+0xb0 (section: .text) ->
 memblock_alloc_try_nid (section: .init.text)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7e74f756f5f643148ca5537bf2fee6767e4b0ed9
commit: 8846d9683884fa9ef5bb160011a748701216e186 book3s64/hash: Early detect debug_pagealloc size requirement
date:   6 months ago
config: powerpc64-randconfig-002-20250419 (https://download.01.org/0day-ci/archive/20250419/202504190552.mnFGs5sj-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250419/202504190552.mnFGs5sj-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/202504190552.mnFGs5sj-lkp@intel.com/

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

>> WARNING: modpost: vmlinux: section mismatch in reference: hash_debug_pagealloc_alloc_slots+0xb0 (section: .text) -> memblock_alloc_try_nid (section: .init.text)
WARNING: modpost: missing MODULE_DESCRIPTION() in mm/kasan/kasan_test.o

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