* Re: [RFC PATCH 2/6] mm/page_counter: Introduce tiered memory awareness to page_counter
[not found] <20260223223830.586018-3-joshua.hahnjy@gmail.com>
@ 2026-02-24 9:25 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-02-24 9:25 UTC (permalink / raw)
To: Joshua Hahn; +Cc: llvm, oe-kbuild-all
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 <lkp@intel.com>
| 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
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