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X-CSE-ConnectionGUID: nBkAsdDVSuC4H0hBZQgvVQ== X-CSE-MsgGUID: Ic0xup6HTD+t+s+a5p1PaQ== X-IronPort-AV: E=McAfee;i="6800,10657,11812"; a="93239899" X-IronPort-AV: E=Sophos;i="6.24,197,1774335600"; d="scan'208";a="93239899" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2026 22:31:22 -0700 X-CSE-ConnectionGUID: QnA1Uq1DSz6bqZ1IwDqIog== X-CSE-MsgGUID: DAG/K+MvS+2UoFmOLcQzdQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,197,1774335600"; d="scan'208";a="247929073" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 09 Jun 2026 22:31:20 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wXBX4-00000000Kwc-1IXf; Wed, 10 Jun 2026 05:31:18 +0000 Date: Wed, 10 Jun 2026 13:31:17 +0800 From: kernel test robot To: Hannes Reinecke Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [hare-scsi-devel:configfs-ns.v5 42/42] include/linux/mmzone.h:839:25: error: use of undeclared identifier 'PAGE_ALLOC_COSTLY_ORDER' Message-ID: <202606101308.Lw17R25F-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git configfs-ns.v5 head: 6a13a5d67caca4ca57eb8e916f762a491d8c3120 commit: 6a13a5d67caca4ca57eb8e916f762a491d8c3120 [42/42] mm,block: Make PAGE_ALLOC_COSTLY_ORDER configurable config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260610/202606101308.Lw17R25F-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 7917772d7d61384696c61102c08c2ea158e610fa) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260610/202606101308.Lw17R25F-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/202606101308.Lw17R25F-lkp@intel.com/ All errors (new ones prefixed by >>): WARN /zdci/src/lkp/lib/log.sh:131:in `log_warn': /opt/cross/rustc-1.96.0-bindgen-0.72.1 doesn't exist from /zdci/src/kernel-tests/lib/debug.sh:164: kbuild_log_warn from /zdci/src/kernel-tests/lib/kbuild.sh:3334: export_rust_path from /zdci/src/kernel-tests/lib/kbuild.sh:3324: export_compiler_path from /zdci/src/kernel-tests/lib/kbuild.sh:3803: invoke_make from /zdci/src/kernel-tests/lib/kbuild.sh:3985: make from /zdci/src/kernel-tests/common.sh:202: redirect_error_to_screen from /zdci/src/kernel-tests/common.sh:210: redirect_command_errors from /zdci/src/kernel-tests/lib/kbuild.sh:5642: make_prepare from /zdci/src/kernel-tests/lib/kbuild.sh:5871: test_kernel_build from /zdci/src/kernel-tests/lib/builder/base.sh:442: builder_execute_build from /zdci/src/kernel-tests/lib/kbuild.sh:6381: compile_one_config from /zdci/src/kernel-tests/lib/builder/base.sh:88: builder_compile from /zdci/src/kernel-tests/bisect-test-build-error.sh:102: main In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:14: In file included from include/linux/resource_ext.h:11: In file included from include/linux/slab.h:17: In file included from include/linux/gfp.h:7: >> include/linux/mmzone.h:839:25: error: use of undeclared identifier 'PAGE_ALLOC_COSTLY_ORDER' 839 | struct list_head lists[NR_PCP_LISTS]; | ^~~~~~~~~~~~ include/linux/mmzone.h:807:23: note: expanded from macro 'NR_PCP_LISTS' 807 | #define NR_PCP_LISTS (NR_LOWORDER_PCP_LISTS + NR_PCP_THP) | ^~~~~~~~~~~~~~~~~~~~~ include/linux/mmzone.h:806:52: note: expanded from macro 'NR_LOWORDER_PCP_LISTS' 806 | #define NR_LOWORDER_PCP_LISTS (MIGRATE_PCPTYPES * (PAGE_ALLOC_COSTLY_ORDER + 1)) | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 99 | set->sig[1] | set->sig[0]) == 0; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:15: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 101 | return (set->sig[1] | set->sig[0]) == 0; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm64/kernel/asm-offsets.c:11: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: vim +/PAGE_ALLOC_COSTLY_ORDER +839 include/linux/mmzone.h ca71fe1ad9221a Ying Huang 2023-10-16 823 ^1da177e4c3f41 Linus Torvalds 2005-04-16 824 struct per_cpu_pages { 4b23a68f953628 Mel Gorman 2022-06-24 825 spinlock_t lock; /* Protects lists field */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 826 int count; /* number of pages in the list */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 827 int high; /* high watermark, emptying needed */ 90b41691b98813 Ying Huang 2023-10-16 828 int high_min; /* min high watermark */ 90b41691b98813 Ying Huang 2023-10-16 829 int high_max; /* max high watermark */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 830 int batch; /* chunk size for buddy add/remove */ ca71fe1ad9221a Ying Huang 2023-10-16 831 u8 flags; /* protected by pcp->lock */ c0a242394cb980 Ying Huang 2023-10-16 832 u8 alloc_factor; /* batch scaling factor during allocate */ 28f836b6777b6f Mel Gorman 2021-06-28 833 #ifdef CONFIG_NUMA c0a242394cb980 Ying Huang 2023-10-16 834 u8 expire; /* When 0, remote pagesets are drained */ 28f836b6777b6f Mel Gorman 2021-06-28 835 #endif 6ccdcb6d3a741c Ying Huang 2023-10-16 836 short free_count; /* consecutive free count */ 5f8dcc21211a3d Mel Gorman 2009-09-21 837 5f8dcc21211a3d Mel Gorman 2009-09-21 838 /* Lists of pages, one per migrate type stored on the pcp-lists */ 44042b4498728f Mel Gorman 2021-06-28 @839 struct list_head lists[NR_PCP_LISTS]; 5d0a661d808fc8 Mel Gorman 2022-06-24 840 } ____cacheline_aligned_in_smp; ^1da177e4c3f41 Linus Torvalds 2005-04-16 841 :::::: The code at line 839 was first introduced by commit :::::: 44042b4498728f4376e84bae1ac8016d146d850b mm/page_alloc: allow high-order pages to be stored on the per-cpu lists :::::: TO: Mel Gorman :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki