From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 293211DB361; Fri, 6 Dec 2024 09:55:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733478954; cv=none; b=H8erN60kN/BltgefjsgQQgG9nh23Nd/7skYTazWIS+vUvM8w2On/+1NYRHFQRTfe+F05DklieE5rFk4EfcFJIQRRc2yk3ytC3LagD3p6G3lmTu1ahlaERH4EqM7IZ43vNwW5joMMYSYfeQjGUJL3jVB2p3cM5GYWX1icXfnw3e4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733478954; c=relaxed/simple; bh=mIg5YrMYsQS2aAnAr+x9wJJwI4sj824cUDCxQieEQfs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=d3o9YEhoKF9HVc+YBSW0jCyOXBA3D7SFwcZiEAGVGuBjboztg+EwKQ/5vvc/kfsgBlOvCFD1amQngeM+2AABGnTXLZm5m7ScsCuODys7xLsVuY6LloCcO9hNeN6s40P646pFKJu7ju+dQ/ZyG8rpiu1BFhrFOgLAOCtV3VxFaFM= 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=QmVUH147; arc=none smtp.client-ip=198.175.65.21 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="QmVUH147" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1733478952; x=1765014952; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=mIg5YrMYsQS2aAnAr+x9wJJwI4sj824cUDCxQieEQfs=; b=QmVUH147spKxmc5Hl5WYknol3PzW6HgjTg3KvgrzGREwpaI54dEFmu7+ Qu+jGhZv2+AeLuDBzGUFayqUdG0a9UQrdGmEjb2FIkXCMCHKQOkrHlSPR vRwow8c3T/VT+Th3sqPPH2icpPAeg5u8Cs4jraL8HeqPFAGMqkIk0vo7n CKu8vhj4/3lF2QpGI4TKwR1IvfU68roHIFGXK1tMyWMGAYh/+brcctREm xdjm3g8se8i2ipa/L4zpvFkby1ZNujrh/iikJYWFOMWJxCFyxeFKM3S6+ 1bvVRYcn/AjX0phv2qUqDABrIa2zzEWWVHyR7Kx8U7HzMdyAS7H9rrgnh w==; X-CSE-ConnectionGUID: y4MAi4HJQKittt0xcGoDpw== X-CSE-MsgGUID: gV0O0F0PSsWI7UN+T5XLgQ== X-IronPort-AV: E=McAfee;i="6700,10204,11277"; a="33748089" X-IronPort-AV: E=Sophos;i="6.12,213,1728975600"; d="scan'208";a="33748089" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2024 01:55:51 -0800 X-CSE-ConnectionGUID: UXN46DCcQs6SbSgcI/0h2A== X-CSE-MsgGUID: 6TM+aWVMRkioynP+BH27sg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,213,1728975600"; d="scan'208";a="131785982" Received: from lkp-server01.sh.intel.com (HELO 82a3f569d0cb) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 06 Dec 2024 01:55:49 -0800 Received: from kbuild by 82a3f569d0cb with local (Exim 4.96) (envelope-from ) id 1tJV3q-0000ud-2N; Fri, 06 Dec 2024 09:55:46 +0000 Date: Fri, 6 Dec 2024 17:54:58 +0800 From: kernel test robot To: Xu Lu Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH v2 14/21] riscv: mm: Only apply svnapot region bigger than software page Message-ID: <202412061732.JTrap3I2-lkp@intel.com> References: <20241205103729.14798-15-luxu.kernel@bytedance.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: <20241205103729.14798-15-luxu.kernel@bytedance.com> Hi Xu, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on perf-tools-next/perf-tools-next] [also build test WARNING on arnd-asm-generic/master] [cannot apply to akpm-mm/mm-everything tip/perf/core perf-tools/perf-tools s390/features linus/master acme/perf/core v6.13-rc1 next-20241205] [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/Xu-Lu/riscv-mm-Distinguish-hardware-base-page-and-software-base-page/20241205-184429 base: https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git perf-tools-next patch link: https://lore.kernel.org/r/20241205103729.14798-15-luxu.kernel%40bytedance.com patch subject: [RFC PATCH v2 14/21] riscv: mm: Only apply svnapot region bigger than software page config: riscv-nommu_virt_defconfig (https://download.01.org/0day-ci/archive/20241206/202412061732.JTrap3I2-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241206/202412061732.JTrap3I2-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/202412061732.JTrap3I2-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb' 104 | #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/ftrace.h:10: In file included from include/linux/trace_recursion.h:5: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:752:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 752 | insw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw' 105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/ftrace.h:10: In file included from include/linux/trace_recursion.h:5: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:760:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 760 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl' 106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/ftrace.h:10: In file included from include/linux/trace_recursion.h:5: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 769 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb' 118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/ftrace.h:10: In file included from include/linux/trace_recursion.h:5: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:778:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 778 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw' 119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/ftrace.h:10: In file included from include/linux/trace_recursion.h:5: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:787:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 787 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl' 120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/ftrace.h:10: In file included from include/linux/trace_recursion.h:5: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1115 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from arch/riscv/kernel/asm-offsets.c:8: In file included from include/linux/mm.h:30: In file included from include/linux/pgtable.h:6: >> arch/riscv/include/asm/pgtable.h:133:29: warning: function '__page_val_to_pfn' has internal linkage but is not defined [-Wundefined-internal] 133 | static inline unsigned long __page_val_to_pfn(unsigned long val); | ^ arch/riscv/include/asm/pgtable-64.h:271:9: note: used here 271 | return __page_val_to_pfn(pud_val(pud)); | ^ 15 warnings generated. -- In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:752:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 752 | insw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw' 105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/filemap.c:20: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:760:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 760 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl' 106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/filemap.c:20: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 769 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb' 118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/filemap.c:20: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:778:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 778 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw' 119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/filemap.c:20: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:787:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 787 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl' 120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/filemap.c:20: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1115 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from mm/filemap.c:52: In file included from mm/internal.h:13: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ In file included from mm/filemap.c:15: In file included from include/linux/dax.h:5: In file included from include/linux/fs.h:33: 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:9: In file included from include/linux/sched/task.h:13: In file included from include/linux/uaccess.h:12: In file included from arch/riscv/include/asm/uaccess.h:12: >> arch/riscv/include/asm/pgtable.h:133:29: warning: function '__page_val_to_pfn' has internal linkage but is not defined [-Wundefined-internal] 133 | static inline unsigned long __page_val_to_pfn(unsigned long val); | ^ arch/riscv/include/asm/pgtable-64.h:271:9: note: used here 271 | return __page_val_to_pfn(pud_val(pud)); | ^ 17 warnings generated. -- In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:760:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 760 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl' 106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/vmscan.c:19: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 769 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb' 118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/vmscan.c:19: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:778:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 778 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw' 119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/vmscan.c:19: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:787:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 787 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl' 120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from mm/vmscan.c:19: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1115 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from mm/vmscan.c:30: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmscan.c:402:51: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 402 | size += zone_page_state(zone, NR_ZONE_LRU_BASE + lru); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmscan.c:1730:4: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 1730 | __count_zid_vm_events(PGSCAN_SKIP, zid, nr_skipped[zid]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ mm/vmscan.c:2235:51: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2235 | inactive = lruvec_page_state(lruvec, NR_LRU_BASE + inactive_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~~~ mm/vmscan.c:2236:49: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2236 | active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~ mm/vmscan.c:6256:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 6256 | __count_zid_vm_events(ALLOCSTALL, sc->reclaim_idx, 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:139:34: note: expanded from macro '__count_zid_vm_events' 139 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ In file included from mm/vmscan.c:15: In file included from include/linux/mm.h:30: In file included from include/linux/pgtable.h:6: >> arch/riscv/include/asm/pgtable.h:133:29: warning: function '__page_val_to_pfn' has internal linkage but is not defined [-Wundefined-internal] 133 | static inline unsigned long __page_val_to_pfn(unsigned long val); | ^ arch/riscv/include/asm/pgtable-64.h:271:9: note: used here 271 | return __page_val_to_pfn(pud_val(pud)); | ^ 22 warnings generated. .. vim +/__page_val_to_pfn +133 arch/riscv/include/asm/pgtable.h 131 132 #define __page_val_to_hwpfn(_val) (((_val) & _PAGE_HW_PFN_MASK) >> _PAGE_HWPFN_SHIFT) > 133 static inline unsigned long __page_val_to_pfn(unsigned long val); 134 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki