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(HELO a3936d6a266d) ([10.239.97.151]) by fmviesa008.fm.intel.com with ESMTP; 24 Feb 2026 01:26:18 -0800 Received: from kbuild by a3936d6a266d with local (Exim 4.98.2) (envelope-from ) id 1vuofa-000000001kv-2mCp; Tue, 24 Feb 2026 09:25:38 +0000 Date: Tue, 24 Feb 2026 17:25:16 +0800 From: kernel test robot To: Joshua Hahn Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH 2/6] mm/page_counter: Introduce tiered memory awareness to page_counter Message-ID: <202602241757.iMuSSiTC-lkp@intel.com> References: <20260223223830.586018-3-joshua.hahnjy@gmail.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260223223830.586018-3-joshua.hahnjy@gmail.com> Hi Joshua, [This is a private test report for your RFC patch.] 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/Joshua-Hahn/mm-memory-tiers-Introduce-tier-aware-memcg-limit-sysfs/20260224-122156 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260223223830.586018-3-joshua.hahnjy%40gmail.com patch subject: [RFC PATCH 2/6] mm/page_counter: Introduce tiered memory awareness to page_counter config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20260224/202602241757.iMuSSiTC-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/20260224/202602241757.iMuSSiTC-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/202602241757.iMuSSiTC-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/hugetlb_cgroup.c:739:18: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 4579131496 to 284164200 [-Wconstant-conversion] 736 | { | ~ 737 | .name = "events.local", 738 | .seq_show = hugetlb_events_local_show, 739 | .file_offset = MEMFILE_OFFSET(struct hugetlb_cgroup, events_local_file[0]), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/hugetlb_cgroup.c:24:57: note: expanded from macro 'MEMFILE_OFFSET' 24 | #define MEMFILE_OFFSET(t, m0) (((offsetof(t, m0) << 16) | sizeof_field(t, m0))) | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ mm/hugetlb_cgroup.c:733:18: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 4565500008 to 270532712 [-Wconstant-conversion] 730 | { | ~ 731 | .name = "events", 732 | .seq_show = hugetlb_events_show, 733 | .file_offset = MEMFILE_OFFSET(struct hugetlb_cgroup, events_file[0]), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/hugetlb_cgroup.c:24:57: note: expanded from macro 'MEMFILE_OFFSET' 24 | #define MEMFILE_OFFSET(t, m0) (((offsetof(t, m0) << 16) | sizeof_field(t, m0))) | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. vim +739 mm/hugetlb_cgroup.c faced7e0806cf4 Giuseppe Scrivano 2019-12-16 702 47179fe03588ca Xiu Jianfeng 2024-06-12 703 static struct cftype hugetlb_dfl_tmpl[] = { 47179fe03588ca Xiu Jianfeng 2024-06-12 704 { 47179fe03588ca Xiu Jianfeng 2024-06-12 705 .name = "max", 47179fe03588ca Xiu Jianfeng 2024-06-12 706 .private = RES_LIMIT, 47179fe03588ca Xiu Jianfeng 2024-06-12 707 .seq_show = hugetlb_cgroup_read_u64_max, 47179fe03588ca Xiu Jianfeng 2024-06-12 708 .write = hugetlb_cgroup_write_dfl, 47179fe03588ca Xiu Jianfeng 2024-06-12 709 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 710 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 711 { 47179fe03588ca Xiu Jianfeng 2024-06-12 712 .name = "rsvd.max", 47179fe03588ca Xiu Jianfeng 2024-06-12 713 .private = RES_RSVD_LIMIT, 47179fe03588ca Xiu Jianfeng 2024-06-12 714 .seq_show = hugetlb_cgroup_read_u64_max, 47179fe03588ca Xiu Jianfeng 2024-06-12 715 .write = hugetlb_cgroup_write_dfl, 47179fe03588ca Xiu Jianfeng 2024-06-12 716 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 717 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 718 { 47179fe03588ca Xiu Jianfeng 2024-06-12 719 .name = "current", 47179fe03588ca Xiu Jianfeng 2024-06-12 720 .private = RES_USAGE, 47179fe03588ca Xiu Jianfeng 2024-06-12 721 .seq_show = hugetlb_cgroup_read_u64_max, 47179fe03588ca Xiu Jianfeng 2024-06-12 722 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 723 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 724 { 47179fe03588ca Xiu Jianfeng 2024-06-12 725 .name = "rsvd.current", 47179fe03588ca Xiu Jianfeng 2024-06-12 726 .private = RES_RSVD_USAGE, 47179fe03588ca Xiu Jianfeng 2024-06-12 727 .seq_show = hugetlb_cgroup_read_u64_max, 47179fe03588ca Xiu Jianfeng 2024-06-12 728 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 729 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 730 { 47179fe03588ca Xiu Jianfeng 2024-06-12 731 .name = "events", 47179fe03588ca Xiu Jianfeng 2024-06-12 732 .seq_show = hugetlb_events_show, 47179fe03588ca Xiu Jianfeng 2024-06-12 733 .file_offset = MEMFILE_OFFSET(struct hugetlb_cgroup, events_file[0]), 47179fe03588ca Xiu Jianfeng 2024-06-12 734 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 735 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 736 { 47179fe03588ca Xiu Jianfeng 2024-06-12 737 .name = "events.local", 47179fe03588ca Xiu Jianfeng 2024-06-12 738 .seq_show = hugetlb_events_local_show, 47179fe03588ca Xiu Jianfeng 2024-06-12 @739 .file_offset = MEMFILE_OFFSET(struct hugetlb_cgroup, events_local_file[0]), 47179fe03588ca Xiu Jianfeng 2024-06-12 740 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 741 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 742 { 47179fe03588ca Xiu Jianfeng 2024-06-12 743 .name = "numa_stat", 47179fe03588ca Xiu Jianfeng 2024-06-12 744 .seq_show = hugetlb_cgroup_read_numa_stat, 47179fe03588ca Xiu Jianfeng 2024-06-12 745 .flags = CFTYPE_NOT_ON_ROOT, 47179fe03588ca Xiu Jianfeng 2024-06-12 746 }, 47179fe03588ca Xiu Jianfeng 2024-06-12 747 /* don't need terminator here */ 47179fe03588ca Xiu Jianfeng 2024-06-12 748 }; 47179fe03588ca Xiu Jianfeng 2024-06-12 749 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki