linux-kernel - Re: [PATCH] hugetlb: two-phase hugepage allocation when reservation is high

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Message-ID: <202505171227.2rpT5Nx7-lkp@intel.com>
Date: Sat, 17 May 2025 12:44:39 +0800
From: kernel test robot <lkp@...el.com>
To: Wenjie Xu <xuwenjie04@...du.com>, muchun.song@...ux.dev,
	osalvador@...e.de, akpm@...ux-foundation.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Wenjie Xu <xuwenjie04@...du.com>,
	Li RongQing <lirongqing@...du.com>
Subject: Re: [PATCH] hugetlb: two-phase hugepage allocation when reservation
 is high

Hi Wenjie,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linus/master v6.15-rc6 next-20250516]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Wenjie-Xu/hugetlb-two-phase-hugepage-allocation-when-reservation-is-high/20250516-193732
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20250516113552.17648-1-xuwenjie04%40baidu.com
patch subject: [PATCH] hugetlb: two-phase hugepage allocation when reservation is high
config: i386-buildonly-randconfig-006-20250517 (https://download.01.org/0day-ci/archive/20250517/202505171227.2rpT5Nx7-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/20250517/202505171227.2rpT5Nx7-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/202505171227.2rpT5Nx7-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: mm/hugetlb.o: in function `hugetlb_hstate_alloc_pages.constprop.0':
>> hugetlb.c:(.init.text+0xac2): undefined reference to `__udivdi3'

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