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X-IronPort-AV: E=McAfee;i="6600,9927,10882"; a="391726701" X-IronPort-AV: E=Sophos;i="6.03,272,1694761200"; d="scan'208";a="391726701" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Nov 2023 18:27:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10882"; a="905180659" X-IronPort-AV: E=Sophos;i="6.03,272,1694761200"; d="scan'208";a="905180659" Received: from lkp-server01.sh.intel.com (HELO 17d9e85e5079) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 02 Nov 2023 18:27:01 -0700 Received: from kbuild by 17d9e85e5079 with local (Exim 4.96) (envelope-from ) id 1qyixf-00025j-1S; Fri, 03 Nov 2023 01:26:59 +0000 Date: Fri, 3 Nov 2023 09:26:46 +0800 From: kernel test robot To: Edward Adam Davis , riel@surriel.com Cc: oe-kbuild-all@lists.linux.dev, akpm@linux-foundation.org, eadavis@qq.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, llvm@lists.linux.dev, mike.kravetz@oracle.com, muchun.song@linux.dev, nathan@kernel.org, ndesaulniers@google.com, syzbot+6ada951e7c0f7bc8a71e@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com, trix@redhat.com Subject: Re: [PATCH] mm/hugetlb: fix null ptr defer in hugetlb_vma_lock_write Message-ID: <202311030935.4AHgxdxU-lkp@intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 1457940006 X-Stat-Signature: gqz1c6qmbki495bdttzp3hfaipigxrz1 X-HE-Tag: 1698974830-193159 X-HE-Meta: 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 +5sYbiFM EROYLz6VEeFAkZTXMX3pl516lJ3C6HJRdXn4Ze+4iUokAjWRfnlc+aQEAGfGjA7LvE0l7OcMrvP80qbXkTzqG52aUPjAnzV4eoKd+n+WQ7jBc0J4e2jGdhCLElQynaFT9gpV6uHSoMBc8PWTxRjnmkjxhra2iQzsvaww6kSBNDMPDd9eBrFZEw1ghZGF9kcnWNxLi9BfP7+VSXlMwESXIKlRrZPtvvcKG6Si0Z8InWYwvsj8GqEfCC4AN0fBwdtVhODcFc8Rb2EYvXsUa2sRQh3gLOGW8OsacQPzVgaiZ03XP8lPmCRpedR6LvAgNFpD9HpNOE163Ykd7nGYrDJoDtjCheo88aPMIKfLsX+/cZYNtYA+mdMgmH/Iz93S7ZHlIFb/Ttz1ofOK0EHOrEn7Su0/0AF+9+29bKwXmUmJrGBuSuRF0SsuY5q4o6l3s1DRkuR2XfF9tCv/fTRmpq6z24MTLUsZ9iLQUGzit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Edward, 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/Edward-Adam-Davis/mm-hugetlb-fix-null-ptr-defer-in-hugetlb_vma_lock_write/20231103-003152 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/tencent_164A247533766D667C3D873798968236C409%40qq.com patch subject: [PATCH] mm/hugetlb: fix null ptr defer in hugetlb_vma_lock_write config: loongarch-randconfig-002-20231103 (https://download.01.org/0day-ci/archive/20231103/202311030935.4AHgxdxU-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311030935.4AHgxdxU-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/202311030935.4AHgxdxU-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/migrate.h:8, from include/linux/balloon_compaction.h:41, from drivers/virtio/virtio_balloon.c:16: >> include/linux/hugetlb.h:182:12: warning: 'is_vma_resv_set' used but never defined 182 | static int is_vma_resv_set(struct vm_area_struct *vma, unsigned long flag); | ^~~~~~~~~~~~~~~ vim +/is_vma_resv_set +182 include/linux/hugetlb.h 179 180 extern int sysctl_hugetlb_shm_group; 181 extern struct list_head huge_boot_pages; > 182 static int is_vma_resv_set(struct vm_area_struct *vma, unsigned long flag); 183 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki