From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 990CB1367; Tue, 23 Dec 2025 00:09:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766448594; cv=none; b=Su3x4PKDDQ7KOS8j/y7OKyEzKD/cFMjCycItZQ0xhuR7DQoiiCsSjZ9RpVMbphOW3Q3PO7AZwZLeoZ2lDfEOMJJ6VXhU45b+KOfciNRBl/+LpjloDj3bHYhxkfAKJ56dffY4TK/rKmbSucnbIpSYNIFBFfkdrRgtytAwH2/Ynws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766448594; c=relaxed/simple; bh=scb8dq1HBfysrB12FXHWH+apjzmHxbCBklwomg04vvQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lI0Bl0B3iiUjewc657jg+ig6oGYifVQda9XffHVp/FSsw/yPJndEtsJ2bAXoAnwlGYgpZgJINVpDm1roJ1IpLYPH09NVOqTezZBi3gStDTrUrVhmYG0V/f42vWHtyhrZ3h9296zQgOFnNmOOMrkWYMt2urgPn25htbM+gZz87eY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=n+SbMTFR; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="n+SbMTFR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1766448591; x=1797984591; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=scb8dq1HBfysrB12FXHWH+apjzmHxbCBklwomg04vvQ=; b=n+SbMTFR6D/bZDYdkq7FS6NJx0EsqtOnEiOYrFdi8zxE9pXJ4PVBCZh5 ovh9HmhVZBO5pj8sR61RgW5+t0RaggJk13Dn5tQoXL2MI8ybcScKqUe3u 3iXbkudeXPDNGAsbJdpLzLg6b5N0Yr2i6eaENwla4OOE8t5QSDkRTvWf6 y3A7gPRLR8sSi7r2VXaGUFlQCSAfevHJwQZQjnwaGjStq/XbPWtgAzV6P bz1ubKh7RROkW+GM+uwdYYVjKs+MeLivQXjC9/+Ly6E/VVuf80BnbjPa9 +Kfx8feHGNmduUv/Ty+qc6EnD3gT/v7TgftfAwjFDSO9ZWm5o/u+dfZUW Q==; X-CSE-ConnectionGUID: zneKAgtgSrSeVzqyPyZFoA== X-CSE-MsgGUID: L/249HGHQFywV15Xs1+PDQ== X-IronPort-AV: E=McAfee;i="6800,10657,11650"; a="68058077" X-IronPort-AV: E=Sophos;i="6.21,169,1763452800"; d="scan'208";a="68058077" 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> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251222110843.980347-5-harry.yoo@oracle.com> 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