linux-kernel - Re: [PATCH] memory-tiers: multi-definition fixup

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Message-ID: <202511140039.XVfj2ju0-lkp@intel.com>
Date: Fri, 14 Nov 2025 00:37:28 +0800
From: kernel test robot <lkp@...el.com>
To: Gregory Price <gourry@...rry.net>, linux-mm@...ck.org
Cc: oe-kbuild-all@...ts.linux.dev, kernel-team@...a.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memory-tiers: multi-definition fixup

Hi Gregory,

kernel test robot noticed the following build warnings:



url:    https://github.com/intel-lab-lkp/linux/commits/UPDATE-20251113-230036/Gregory-Price/mm-constify-oom_control-scan_control-and-alloc_context-nodemask/20251113-033247
base:   the 8th patch of https://lore.kernel.org/r/20251112192936.2574429-9-gourry%40gourry.net
patch link:    https://lore.kernel.org/r/20251113145815.2926823-1-gourry%40gourry.net
patch subject: [PATCH] memory-tiers: multi-definition fixup
config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20251114/202511140039.XVfj2ju0-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511140039.XVfj2ju0-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/202511140039.XVfj2ju0-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from mm/oom_kill.c:37:
>> include/linux/memory-tiers.h:197:12: warning: 'mt_set_node_type' defined but not used [-Wunused-function]
     197 | static int mt_set_node_type(int node, int type)
         |            ^~~~~~~~~~~~~~~~


vim +/mt_set_node_type +197 include/linux/memory-tiers.h

   196	
 > 197	static int mt_set_node_type(int node, int type)

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