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X-CSE-ConnectionGUID: j7epWjiSSd+d2dxF6BK5fQ== X-CSE-MsgGUID: Ztn3KxRMTueEUcHMq1Lwug== X-IronPort-AV: E=McAfee;i="6800,10657,11584"; a="62071724" X-IronPort-AV: E=Sophos;i="6.19,234,1754982000"; d="scan'208";a="62071724" 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251015190813.80163-2-inwardvessel@gmail.com> X-Rspam-User: X-Stat-Signature: 7tigw5xw51x1cfypeuqi6nbf4i1apbmn X-Rspamd-Queue-Id: E8BF61C0009 X-Rspamd-Server: rspam09 X-HE-Tag: 1760653726-764768 X-HE-Meta: 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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 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