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X-CSE-ConnectionGUID: IxB8et+lSWmfFPW26z/ymg== X-CSE-MsgGUID: Vi57hlqqRDevTMEBTwmKrg== X-IronPort-AV: E=McAfee;i="6800,10657,11896"; a="106584645" X-IronPort-AV: E=Sophos;i="6.25,262,1779174000"; d="scan'208";a="106584645" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2026 15:33:07 -0700 X-CSE-ConnectionGUID: LrHTzWPBQl6cMnrSigAXOw== X-CSE-MsgGUID: 1SdEnM2xTwyPVLZOw10xAQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,262,1779174000"; d="scan'208";a="270683256" Received: from lkp-server01.sh.intel.com (HELO bfac249b2189) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 04 Sep 2026 15:33:06 -0700 Received: from kbuild by bfac249b2189 with local (Exim 4.98.2) (envelope-from ) id 1x2cT0-00000000ADe-3wVC; Fri, 04 Sep 2026 22:33:02 +0000 Date: Sat, 05 Sep 2026 06:32:19 +0800 From: kernel test robot To: Gregory Price Cc: oe-kbuild-all@lists.linux.dev, David Hildenbrand , Andrew Morton , Linux Memory Management List , mm-commits@vger.kernel.org Subject: [akpm-mm:mm-new 301/316] mm/memory_hotplug.c:1507:13: warning: 'node_is_memoryless' defined but not used Message-ID: <202609050628.ywCLhOj5-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 9041EC0008 X-Stat-Signature: uhx6bur956nz1xrpyzphy8xdixjcf5q6 X-HE-Tag: 1788561188-138321 X-HE-Meta: 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 KWP1MrDi xGV3fatdXMYA1QhmEsSE8YOEnqCMBwkNAIZ39w/5qNzCJaATA4aw1SllpZM0HnGbVNEXXFxP4zfh6zj388yjOkWiRMXz38TQ0++Pc8KimAh6+T9QDkvcenibstM9h1CjrElOoSZBXwPkm6jwBPa1KHtYsygynYre2I4z6T1e6D+PgvW/S2Mi0vpMkpOSvCv6WqwihxFVtz5bugU1ecn/cAAbaB80TpRmEqSd/sBQhqvoPn/8DTqQWud4uxTUUYghevlNH6ZaVnRzKIoA/Bpo7oehQRlkxyw9JjWtmldrIP4Y9Zbr7JfVvAEoudI5thh/BMUZMB9pMtcXhFs8= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Gregory, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new head: e3fc12b08aadde9cec7b3799ac0e0c9a1aa245c4 commit: 77a622e07892674da28eb3ad349ddd96df10aded [301/316] mm/memory_hotplug: factor out node_is_memoryless() config: x86_64-randconfig-161-20260904 (https://download.01.org/0day-ci/archive/20260905/202609050628.ywCLhOj5-lkp@intel.com/config) compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 smatch: v0.5.0-9187-g5189e3fb reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260905/202609050628.ywCLhOj5-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202609050628.ywCLhOj5-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/memory_hotplug.c:1507:13: warning: 'node_is_memoryless' defined but not used [-Wunused-function] 1507 | static bool node_is_memoryless(int nid) | ^~~~~~~~~~~~~~~~~~ vim +/node_is_memoryless +1507 mm/memory_hotplug.c 1505 1506 /* Caller must hold the memory hotplug lock for this check. */ > 1507 static bool node_is_memoryless(int nid) 1508 { 1509 /* 1510 * A node still spanning pages (especially ZONE_DEVICE) is not 1511 * memoryless. A node spans memory after move_pfn_range_to_zone(), 1512 * e.g. once a memory block has been onlined. 1513 */ 1514 if (node_spanned_pages(nid)) 1515 return false; 1516 /* 1517 * Offline memory blocks may not be spanned by the node yet, but they 1518 * link to it in sysfs and can be onlined later, so the node is not 1519 * memoryless while any remain. 1520 */ 1521 return !for_each_memory_block(&nid, check_no_memblock_for_node_cb); 1522 } 1523 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki