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X-CSE-ConnectionGUID: sTwN0PuDQxOhYRtz9Kyu5g== X-CSE-MsgGUID: m11d++j2T5awZeeIbtyfbg== X-IronPort-AV: E=McAfee;i="6800,10657,11696"; a="89384732" X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="89384732" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2026 15:38:08 -0800 X-CSE-ConnectionGUID: cUlGTDknRj+p9ychtsexDA== X-CSE-MsgGUID: 7ThtdMsuRPanMmjNvnfNww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="216256848" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 09 Feb 2026 15:38:03 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vpapN-00000000oQ0-0GQ8; Mon, 09 Feb 2026 23:38:01 +0000 Date: Tue, 10 Feb 2026 07:37:52 +0800 From: kernel test robot To: Deepanshu Kartikey , akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, ackerleytng@google.com, seanjc@google.com, pbonzini@redhat.com, michael.roth@amd.com, vannapurve@google.com Cc: oe-kbuild-all@lists.linux.dev, ziy@nvidia.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Deepanshu Kartikey , syzbot+33a04338019ac7e43a44@syzkaller.appspotmail.com Subject: Re: [PATCH] mm: thp: Deny THP for guest_memfd and secretmem in file_thp_enabled() Message-ID: <202602100727.b1U4CHAA-lkp@intel.com> References: <20260209033558.22943-1-kartikey406@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260209033558.22943-1-kartikey406@gmail.com> X-Rspamd-Server: rspam11 X-Stat-Signature: 9zz8f13czobdxp5tp1m6i71mcsemww8q X-Rspam-User: X-Rspamd-Queue-Id: 76CC3C0002 X-HE-Tag: 1770680289-807552 X-HE-Meta: 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 C7TkO4lO 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 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 Deepanshu, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Deepanshu-Kartikey/mm-thp-Deny-THP-for-guest_memfd-and-secretmem-in-file_thp_enabled/20260209-113800 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260209033558.22943-1-kartikey406%40gmail.com patch subject: [PATCH] mm: thp: Deny THP for guest_memfd and secretmem in file_thp_enabled() config: arc-randconfig-001-20260210 (https://download.01.org/0day-ci/archive/20260210/202602100727.b1U4CHAA-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260210/202602100727.b1U4CHAA-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/202602100727.b1U4CHAA-lkp@intel.com/ All errors (new ones prefixed by >>): mm/huge_memory.c: In function 'file_thp_enabled': >> mm/huge_memory.c:96:37: error: 'GUEST_MEMFD_MAGIC' undeclared (first use in this function) 96 | if (inode->i_sb->s_magic == GUEST_MEMFD_MAGIC || | ^~~~~~~~~~~~~~~~~ mm/huge_memory.c:96:37: note: each undeclared identifier is reported only once for each function it appears in >> mm/huge_memory.c:97:37: error: 'SECRETMEM_MAGIC' undeclared (first use in this function) 97 | inode->i_sb->s_magic == SECRETMEM_MAGIC) | ^~~~~~~~~~~~~~~ vim +/GUEST_MEMFD_MAGIC +96 mm/huge_memory.c 84 85 static inline bool file_thp_enabled(struct vm_area_struct *vma) 86 { 87 struct inode *inode; 88 89 if (!IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS)) 90 return false; 91 92 if (!vma->vm_file) 93 return false; 94 95 inode = file_inode(vma->vm_file); > 96 if (inode->i_sb->s_magic == GUEST_MEMFD_MAGIC || > 97 inode->i_sb->s_magic == SECRETMEM_MAGIC) 98 return false; 99 100 return !inode_is_open_for_write(inode) && S_ISREG(inode->i_mode); 101 } 102 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki