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X-CSE-ConnectionGUID: s0jVWr2GRPWCDTrbzcPTJA== X-CSE-MsgGUID: lwapwRjIQFijIkzc3f8t+w== X-IronPort-AV: E=McAfee;i="6800,10657,11643"; a="90451433" X-IronPort-AV: E=Sophos;i="6.21,152,1763452800"; d="scan'208";a="90451433" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2025 02:32:20 -0800 X-CSE-ConnectionGUID: 4nMHR9xhQQSBSFJ0/6djxg== X-CSE-MsgGUID: Lth0LVWfRDGgg+SjaaHPGA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,152,1763452800"; d="scan'208";a="198790360" Received: from igk-lkp-server01.igk.intel.com (HELO 8a0c053bdd2a) ([10.211.93.152]) by fmviesa010.fm.intel.com with ESMTP; 16 Dec 2025 02:32:15 -0800 Received: from kbuild by 8a0c053bdd2a with local (Exim 4.98.2) (envelope-from ) id 1vVSLl-0000000034u-17TP; Tue, 16 Dec 2025 10:32:13 +0000 Date: Tue, 16 Dec 2025 11:31:56 +0100 From: kernel test robot To: Zhang Qilong , akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, corbet@lwn.net Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, ziy@nvidia.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, wangkefeng.wang@huawei.com, sunnanyong@huawei.com, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Zhang Qilong Subject: Re: [PATCH next 1/2] mm/huge_memory: Implementation of THP COW for executable file mmap Message-ID: <202512161154.iIbhbvhS-lkp@intel.com> References: <20251215123407.380813-2-zhangqilong3@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251215123407.380813-2-zhangqilong3@huawei.com> X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: D430D8000B X-Stat-Signature: 4x8w9h8kj7qo5spxcxg6yqme4yfa4373 X-Rspam-User: X-HE-Tag: 1765881141-950943 X-HE-Meta: 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 5xCctB0a xkH7AC99zRYHX+upHi3UJYee10smwoIjNGFEBRnaLW8g6B5qnZ9I5HJDNMnss+NijeTv4OcHCHC06XIbc3s0ER69gMUrt4qBPkQCD3zjwTQ1p9UwIQ0vgTYuttHxpwV5ZGPLDNUf9j1hKicvQxeK4U+eZqNpL7+FJEevLWIzh6ja3ol2MvJo+ffuhG9w+GQ9XAxb84EpBMWVMooZGyrHmg/gcvooG7kBZ6kf7/FHEuvbL8OVuVpP9OVp+H3M4RdR0gOG7ECC4hKrQilsjYE48uzi1KnJoU/mNfJwKbedZ4MYt/YblQujc8/1M+ZJSdi2yroySLueAfQliQDtqIWg/yUBJbXGJZ0lTs05yBHv/7q3KfOXKymY9PYARoVv6zCarxb+u9zdprjOcJQY= 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 Zhang, kernel test robot noticed the following build errors: [auto build test ERROR on next-20251215] url: https://github.com/intel-lab-lkp/linux/commits/Zhang-Qilong/mm-huge_memory-Implementation-of-THP-COW-for-executable-file-mmap/20251215-204035 base: next-20251215 patch link: https://lore.kernel.org/r/20251215123407.380813-2-zhangqilong3%40huawei.com patch subject: [PATCH next 1/2] mm/huge_memory: Implementation of THP COW for executable file mmap config: x86_64-kexec (https://download.01.org/0day-ci/archive/20251216/202512161154.iIbhbvhS-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/20251216/202512161154.iIbhbvhS-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/202512161154.iIbhbvhS-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/memory.c:6134:7: error: call to undeclared function 'vma_is_special_huge'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 6134 | if (vma_is_special_huge(vma) || vma_is_shmem(vma)) | ^ 1 error generated. vim +/vma_is_special_huge +6134 mm/memory.c 6104 6105 /* `inline' is required to avoid gcc 4.1.2 build error */ 6106 static inline vm_fault_t wp_huge_pmd(struct vm_fault *vmf) 6107 { 6108 struct vm_area_struct *vma = vmf->vma; 6109 const bool unshare = vmf->flags & FAULT_FLAG_UNSHARE; 6110 vm_fault_t ret; 6111 6112 if (vma_is_anonymous(vma)) { 6113 if (likely(!unshare) && 6114 userfaultfd_huge_pmd_wp(vma, vmf->orig_pmd)) { 6115 if (userfaultfd_wp_async(vmf->vma)) 6116 goto split; 6117 return handle_userfault(vmf, VM_UFFD_WP); 6118 } 6119 return do_huge_pmd_wp_page(vmf); 6120 } 6121 6122 if (vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) { 6123 if (vma->vm_ops->huge_fault) { 6124 ret = vma->vm_ops->huge_fault(vmf, PMD_ORDER); 6125 if (!(ret & VM_FAULT_FALLBACK)) 6126 return ret; 6127 } 6128 } 6129 6130 6131 if (is_exec_mapping(vma->vm_flags) && 6132 is_cow_mapping(vma->vm_flags)) { 6133 /* Skip special and shmem */ > 6134 if (vma_is_special_huge(vma) || vma_is_shmem(vma)) 6135 goto split; 6136 6137 ret = do_huge_pmd_exec_cow(vmf); 6138 if (!(ret & VM_FAULT_FALLBACK)) 6139 return ret; 6140 } 6141 6142 split: 6143 /* COW or write-notify handled on pte level: split pmd. */ 6144 __split_huge_pmd(vma, vmf->pmd, vmf->address, false); 6145 6146 return VM_FAULT_FALLBACK; 6147 } 6148 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki