linux-kernel - Re: [PATCH] mm/memmap: Prevent double scanning of memmap by kmemleak

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Message-ID: <202501031757.LDH2bhm8-lkp@intel.com>
Date: Fri, 3 Jan 2025 18:56:29 +0800
From: kernel test robot <lkp@...el.com>
To: Guo Weikang <guoweikang.kernel@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Mike Rapoport <rppt@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	Guo Weikang <guoweikang.kernel@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/memmap: Prevent double scanning of memmap by kmemleak

Hi Guo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Guo-Weikang/mm-memmap-Prevent-double-scanning-of-memmap-by-kmemleak/20250102-145930
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20250102065704.647693-1-guoweikang.kernel%40gmail.com
patch subject: [PATCH] mm/memmap: Prevent double scanning of memmap by kmemleak
config: x86_64-randconfig-072-20250103 (https://download.01.org/0day-ci/archive/20250103/202501031757.LDH2bhm8-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250103/202501031757.LDH2bhm8-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/202501031757.LDH2bhm8-lkp@intel.com/

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

>> WARNING: modpost: vmlinux: section mismatch in reference: vmemmap_alloc_block+0x8c (section: .text.vmemmap_alloc_block) -> memmap_alloc (section: .init.text)
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-mgr-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-bridge-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-region-test.o

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