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X-CSE-ConnectionGUID: xRigrjsDRLKc5tYsVxjdig== X-CSE-MsgGUID: hPk+ab//SYar3lTkiainHQ== X-IronPort-AV: E=McAfee;i="6600,9927,11092"; a="17802157" X-IronPort-AV: E=Sophos;i="6.08,212,1712646000"; d="scan'208";a="17802157" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2024 14:26:18 -0700 X-CSE-ConnectionGUID: dGhhB+7wQ9SMOSJDMY8Nqw== X-CSE-MsgGUID: W49K0OOsQmG0sir3DGIPfA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,212,1712646000"; d="scan'208";a="37601355" Received: from unknown (HELO 0610945e7d16) ([10.239.97.151]) by orviesa008.jf.intel.com with ESMTP; 03 Jun 2024 14:26:16 -0700 Received: from kbuild by 0610945e7d16 with local (Exim 4.96) (envelope-from ) id 1sEFBt-000MCx-26; Mon, 03 Jun 2024 21:26:08 +0000 Date: Tue, 4 Jun 2024 05:25:59 +0800 From: kernel test robot To: Xiu Jianfeng , akpm@linux-foundation.org, muchun.song@linux.dev Cc: oe-kbuild-all@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -next 2/3] mm/hugetlb_cgroup: prepare cftypes based on template Message-ID: <202406040437.z2Iel9db-lkp@intel.com> References: <20240603120506.1837322-3-xiujianfeng@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240603120506.1837322-3-xiujianfeng@huawei.com> X-Rspamd-Queue-Id: 49E021A0007 X-Stat-Signature: cpg5c1hifofker41p5u6agrum8ae5of5 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1717449979-864176 X-HE-Meta: U2FsdGVkX1/HwJgm2vtaZ0VHSRLNJZjM3de0GPqPvyVm7JGZJ2iIPLms3yY5aZGNZ+fju/JdONJJbo06R1u0jj8HnmkMH6+CgLlc5d2h6GnwCMl9xljv9e5R9RixR1QIVNQsTkLV8BfcOM+IDsDsPTXCr0g2fnocCM8C09DsIhsUKzY8v06FncecwX0Vh47V29uhP0+5s5KsXXDRY0O8K7xUe7Z+rCvEtKJPLsw6ywo8mlfXvYFaJsW5w6/7FVDE0dHwJ2hh7q2wCdcXc+l/4MnRECGwCkUY2rM8t2cbirSuT75fSdPQXKoDpnBWO7Ux7if4qvZP45cOJ8DwuH3WKlA3W8LkREYFUlPIExFWGuAtEa6ozu2XBG+fX+KyiEuu7Kkn0JwKhrULTp9kR+kqdC2m6geW1JZd5MQ3xh8j+aDrM/w5mS1OeX2fC0pbh+pxFtvjxBnlyP61hqnAEmmJWQASx71JxR6o+20eP/2X1+Srq01QPsprWoY1deU3CSF9eR2hd25uBUF28s0xjz9xl3AJIadFruxD6GM/tu+WvPl8PgE/Ycc6cvr+HlvEtm2unSVw81+3ygrJ+1SmC6DFxKjTCHTX0Vbsa06cqK704m4e+C6jZubYDNM7j00dXHoKMj4F9ERfHGEbjbXFMMSZ44Pz9O6AHWL5ZMY7w7dOYQikILCeSlW6b2q04pr+k4ueb3+qdHHbcXaDUmZn2su7ZZ0TX712K4WKyG9rqy7lkASmccz4dFFz++R87caAhGJPuMTKsXa/N3n87YUUwLaheoUayfDCRiu2bY9WMG3fcfdNp9j/WF/JHlb9b43OeYcWMf34lrD71XXNoxr34AAqWZp+5Vm6khsR9uBy+LSzQ5kU6rH2adMWprmQpBXx+IHY9nN1tCrbJaZJKpPSIGo7lX9wVsGPxV60A5HJP2tXoUSiWqJsbe0Mh7+s4ry4UBe03BXqzG7sH+Em24Ik+d7 LAwimPth m904flsLRWd1OVL/2EqKgspBmWSk9XTABFrOWbU5dt5xFjeuA17s4aFcLO4wnHfoWFQI7+5wHVS7EWMiME7uajfAYrAnLssUDK8wS2HtSF3B+YXK6OB/O0oWSMa5sFxtt37FwEq4qLtTvXw4o7Yy/0VkWKgs3eH8I74FHRGZp/QvHaYdKRGdUK+boxonoRSIO/ieqsStHV+n1HRrftptjfEZkf6asy3tuQJL0IP9m4Z+eS+EVX5W8tEgMQXeQjYhRKnFUN/jRZHVq0ZVItsINxqRw7W/SeagFHcEbGDVNgzM9ylG/00w5ogRbdAkHsjwnNLMjvLC8sO0QmwWeoh/JmOZhMPGRie/qxeZww/CTCqtMa8Na/oC4xH74zA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, 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 Xiu, 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/Xiu-Jianfeng/mm-hugetlb_cgroup-identify-the-legacy-using-cgroup_subsys_on_dfl/20240603-201513 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240603120506.1837322-3-xiujianfeng%40huawei.com patch subject: [PATCH -next 2/3] mm/hugetlb_cgroup: prepare cftypes based on template config: arm64-defconfig (https://download.01.org/0day-ci/archive/20240604/202406040437.z2Iel9db-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240604/202406040437.z2Iel9db-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/202406040437.z2Iel9db-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/hugetlb_cgroup.c: In function 'hugetlb_cgroup_cfttypes_init': >> mm/hugetlb_cgroup.c:828:21: warning: the comparison will always evaluate as 'true' for the address of 'name' will never be NULL [-Waddress] 828 | if (tmpl->name) | ^~~~ In file included from include/linux/cgroup.h:27, from mm/hugetlb_cgroup.c:20: include/linux/cgroup-defs.h:605:14: note: 'name' declared here 605 | char name[MAX_CFTYPE_NAME]; | ^~~~ vim +828 mm/hugetlb_cgroup.c 814 815 static void __init 816 hugetlb_cgroup_cfttypes_init(struct hstate *h, struct cftype *cft, 817 struct cftype *tmpl, int tmpl_size) 818 { 819 char buf[32]; 820 int i, idx = hstate_index(h); 821 822 /* format the size */ 823 mem_fmt(buf, sizeof(buf), huge_page_size(h)); 824 825 for (i = 0; i < tmpl_size; cft++, tmpl++, i++) { 826 *cft = *tmpl; 827 /* rebuild the name */ > 828 if (tmpl->name) 829 snprintf(cft->name, MAX_CFTYPE_NAME, "%s.%s", buf, tmpl->name); 830 /* rebuild the private */ 831 if (tmpl->private) 832 cft->private = MEMFILE_PRIVATE(idx, tmpl->private); 833 /* rebuild the file_offset */ 834 if (tmpl->file_offset) { 835 unsigned int offset = tmpl->file_offset; 836 837 cft->file_offset = MEMFILE_OFFSET0(offset) + 838 MEMFILE_FIELD_SIZE(offset) * idx; 839 } 840 } 841 } 842 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki