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X-CSE-ConnectionGUID: TcpQ8wSWQ2aWMhEtQYmCKg== X-CSE-MsgGUID: ded9Fj59QSGwasY3tYOv7g== X-IronPort-AV: E=McAfee;i="6800,10657,11650"; a="68058073" X-IronPort-AV: E=Sophos;i="6.21,169,1763452800"; d="scan'208";a="68058073" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Dec 2025 16:09:51 -0800 X-CSE-ConnectionGUID: zNGOi2JSQ5GX20sFnuD9QQ== X-CSE-MsgGUID: 6sBPvKYiRGuXkiAxOW5low== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,169,1763452800"; d="scan'208";a="199634082" Received: from lkp-server02.sh.intel.com (HELO dd3453e2b682) ([10.239.97.151]) by orviesa007.jf.intel.com with ESMTP; 22 Dec 2025 16:09:45 -0800 Received: from kbuild by dd3453e2b682 with local (Exim 4.98.2) (envelope-from ) id 1vXpyB-000000001FR-0Qwm; Tue, 23 Dec 2025 00:09:43 +0000 Date: Tue, 23 Dec 2025 08:08:54 +0800 From: kernel test robot To: Harry Yoo , akpm@linux-foundation.org, vbabka@suse.cz Cc: oe-kbuild-all@lists.linux.dev, andreyknvl@gmail.com, cl@gentwo.org, dvyukov@google.com, glider@google.com, hannes@cmpxchg.org, linux-mm@kvack.org, mhocko@kernel.org, muchun.song@linux.dev, rientjes@google.com, roman.gushchin@linux.dev, ryabinin.a.a@gmail.com, shakeel.butt@linux.dev, surenb@google.com, vincenzo.frascino@arm.com, yeoreum.yun@arm.com, harry.yoo@oracle.com, tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, hao.li@linux.dev Subject: Re: [PATCH V4 4/8] mm/slab: abstract slabobj_ext access via new slab_obj_ext() helper Message-ID: <202512230727.ktAJv4eA-lkp@intel.com> References: <20251222110843.980347-5-harry.yoo@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251222110843.980347-5-harry.yoo@oracle.com> X-Rspam-User: X-Rspamd-Queue-Id: C8C43C0013 X-Rspamd-Server: rspam04 X-Stat-Signature: u3fyfyz1km9fi63whisqx8sexuraojzk X-HE-Tag: 1766448592-21749 X-HE-Meta: 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 rShevceK 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 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 Harry, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Harry-Yoo/mm-slab-use-unsigned-long-for-orig_size-to-ensure-proper-metadata-align/20251222-191144 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20251222110843.980347-5-harry.yoo%40oracle.com patch subject: [PATCH V4 4/8] mm/slab: abstract slabobj_ext access via new slab_obj_ext() helper config: parisc-randconfig-002-20251223 (https://download.01.org/0day-ci/archive/20251223/202512230727.ktAJv4eA-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251223/202512230727.ktAJv4eA-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/202512230727.ktAJv4eA-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/asm-generic/bug.h:5, from arch/parisc/include/asm/bug.h:97, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:6, from mm/slub.c:13: mm/slub.c: In function 'mark_objexts_empty': >> mm/slub.c:2056:36: error: incompatible type for argument 1 of 'is_codetag_empty' if (unlikely(is_codetag_empty(ext->ref))) ~~~^~~~~ include/linux/compiler.h:77:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ In file included from include/linux/workqueue.h:9, from include/linux/mm_types.h:19, from include/linux/mmzone.h:22, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/alloc_tag.h:52:56: note: expected 'union codetag_ref *' but argument is of type 'union codetag_ref' static inline bool is_codetag_empty(union codetag_ref *ref) ~~~~~~~~~~~~~~~~~~~^~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for CAN_DEV Depends on [n]: NETDEVICES [=n] && CAN [=y] Selected by [y]: - CAN [=y] && NET [=y] vim +/is_codetag_empty +2056 mm/slub.c 2042 2043 static inline void mark_objexts_empty(struct slabobj_ext *obj_exts) 2044 { 2045 unsigned long slab_exts; 2046 struct slab *obj_exts_slab; 2047 2048 obj_exts_slab = virt_to_slab(obj_exts); 2049 slab_exts = slab_obj_exts(obj_exts_slab); 2050 if (slab_exts) { 2051 unsigned int offs = obj_to_index(obj_exts_slab->slab_cache, 2052 obj_exts_slab, obj_exts); 2053 struct slabobj_ext *ext = slab_obj_ext(obj_exts_slab, 2054 slab_exts, offs); 2055 > 2056 if (unlikely(is_codetag_empty(ext->ref))) 2057 return; 2058 2059 /* codetag should be NULL here */ 2060 WARN_ON(ext->ref.ct); 2061 set_codetag_empty(&ext->ref); 2062 } 2063 } 2064 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki