From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 0CFD42E1F01; Thu, 16 Oct 2025 22:28:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760653727; cv=none; b=iAA7cv4X0Eb+YLVaa8Gr6n31zQxuxNlRdo9SvbMQaVrriZRmAhLdborEQWfsJ06jqqFV5FxrlolQc3oJJefNFUpXNgO0QTjjpJyW0JEj+fiys6LQfqMWHuSB5Bu/wTkzap5S3wFmgm+L5MHUy1fB53rXDs7z2UxThR1tdHcHq7E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760653727; c=relaxed/simple; bh=ciKQIk52+iRfgjCWilAdkX6YNbNDCJyfo9BtEuwQYqQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=coIomgA/9D2l6X6Fmp69knMt04p/cG30HFXO4dDAPp4h+eLjmg7/EjaBY9XC4569vwhtPqDoY1LcFwzLcP7IGY7uEEA9jQwkVv5l49zmp89xqCkFblYqh0tT7Nid5XhsfBJlJ59CSG9VKy2MXBjXe3CHlZmcBhx24A7dqIsKovA= 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=bU0brkBc; arc=none smtp.client-ip=192.198.163.18 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="bU0brkBc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760653726; x=1792189726; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ciKQIk52+iRfgjCWilAdkX6YNbNDCJyfo9BtEuwQYqQ=; b=bU0brkBcVi/UuQSMcCxobLlxbuQ9Wy4msCdCg+X+ArFG+xYC16YRQv8s vLw4+62ulFfwAqM6k55NFNkz3k29B2HxrgCO5GTL+mKT1QEZ2Sd/tQmj5 426xncBiIDuP2hMMcDXmbCdhCgcnAR2uuyi1+aBdy4RZVjzl7A+B272kD 8vwWU0222GHNapAwL4TYbg/YYynz7iK6AOXFwDYSTcnQ73fBSiOcwQzTH DYwZ+DbrRtjefP5yyXamxqc1aPRAwtNw5EQ4+a7GWE4538s5GHmq98J3s hOU2pcU8CWOi/O3AnG1V9zy1kUFJXgxARLt9m1avh8bC6ePQ6Fi8HWFNJ Q==; X-CSE-ConnectionGUID: soHQ0f4pQjSpEDhpda6WFw== X-CSE-MsgGUID: e7hCY9d6R2KBbvL/UD6s0A== X-IronPort-AV: E=McAfee;i="6800,10657,11584"; a="62071723" X-IronPort-AV: E=Sophos;i="6.19,234,1754982000"; d="scan'208";a="62071723" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2025 15:28:45 -0700 X-CSE-ConnectionGUID: /2MsaDmgTJmh3x2o1fWcuQ== X-CSE-MsgGUID: 4Xm1/v/rTaScrK/tKgO49Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,234,1754982000"; d="scan'208";a="182132113" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa009.jf.intel.com with ESMTP; 16 Oct 2025 15:28:41 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1v9WSd-0005J9-0C; Thu, 16 Oct 2025 22:28:39 +0000 Date: Fri, 17 Oct 2025 06:28:31 +0800 From: kernel test robot To: JP Kobryn , shakeel.butt@linux.dev, andrii@kernel.org, ast@kernel.org, mkoutny@suse.com, yosryahmed@google.com, hannes@cmpxchg.org, tj@kernel.org, akpm@linux-foundation.org Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, bpf@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v2 1/2] memcg: introduce kfuncs for fetching memcg stats Message-ID: <202510170654.s2j4GuCs-lkp@intel.com> References: <20251015190813.80163-2-inwardvessel@gmail.com> Precedence: bulk X-Mailing-List: bpf@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: <20251015190813.80163-2-inwardvessel@gmail.com> Hi JP, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/net] [also build test WARNING on bpf-next/master bpf/master akpm-mm/mm-everything linus/master v6.18-rc1 next-20251016] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/JP-Kobryn/memcg-introduce-kfuncs-for-fetching-memcg-stats/20251016-030920 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net patch link: https://lore.kernel.org/r/20251015190813.80163-2-inwardvessel%40gmail.com patch subject: [PATCH v2 1/2] memcg: introduce kfuncs for fetching memcg stats config: x86_64-randconfig-121-20251016 (https://download.01.org/0day-ci/archive/20251017/202510170654.s2j4GuCs-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251017/202510170654.s2j4GuCs-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/202510170654.s2j4GuCs-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/memcontrol.c:4236:52: sparse: sparse: incompatible types in comparison expression (different address spaces): mm/memcontrol.c:4236:52: sparse: struct task_struct [noderef] __rcu * mm/memcontrol.c:4236:52: sparse: struct task_struct * >> mm/memcontrol.c:876:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cgroup_subsys_state *css @@ got struct cgroup_subsys_state [noderef] __rcu * @@ mm/memcontrol.c:876:55: sparse: expected struct cgroup_subsys_state *css mm/memcontrol.c:876:55: sparse: got struct cgroup_subsys_state [noderef] __rcu * >> mm/memcontrol.c:876:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cgroup_subsys_state *css @@ got struct cgroup_subsys_state [noderef] __rcu * @@ mm/memcontrol.c:876:55: sparse: expected struct cgroup_subsys_state *css mm/memcontrol.c:876:55: sparse: got struct cgroup_subsys_state [noderef] __rcu * >> mm/memcontrol.c:876:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cgroup_subsys_state *css @@ got struct cgroup_subsys_state [noderef] __rcu * @@ mm/memcontrol.c:876:55: sparse: expected struct cgroup_subsys_state *css mm/memcontrol.c:876:55: sparse: got struct cgroup_subsys_state [noderef] __rcu * >> mm/memcontrol.c:876:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cgroup_subsys_state *css @@ got struct cgroup_subsys_state [noderef] __rcu * @@ mm/memcontrol.c:876:55: sparse: expected struct cgroup_subsys_state *css mm/memcontrol.c:876:55: sparse: got struct cgroup_subsys_state [noderef] __rcu * mm/memcontrol.c: note: in included file: include/linux/memcontrol.h:729:9: sparse: sparse: context imbalance in 'folio_lruvec_lock' - wrong count at exit include/linux/memcontrol.h:729:9: sparse: sparse: context imbalance in 'folio_lruvec_lock_irq' - wrong count at exit include/linux/memcontrol.h:729:9: sparse: sparse: context imbalance in 'folio_lruvec_lock_irqsave' - wrong count at exit vim +876 mm/memcontrol.c 873 874 static inline struct mem_cgroup *memcg_from_cgroup(struct cgroup *cgrp) 875 { > 876 return cgrp ? mem_cgroup_from_css(cgrp->subsys[memory_cgrp_id]) : NULL; 877 } 878 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki