From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (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 1AA3310F3; Fri, 21 Jul 2023 05:44:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689918248; x=1721454248; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=Jg5yy++fce0mUJ6LU5bI9B/pMq+29/OVacRUkDiLINc=; b=f2YafZn4s0eqZNoYo0xSohWFJjqpaGE23X0a6Z0vj2bX2jlk6yBEj4z5 jdufSj1gUMw9nojQ3cSgbd7Lh6Du0dcOct4DzFsA3LKUSZdewOi3ajH6x q1nC8Rm7uUARlgsdXT9I6YWnUB2FRfKzEAWM9+mnS1ben6N+okURHMs3L TQAO5Gp68EPPA0fy9KNVmzmCNGpoWxb9lqpXqAf5kI6UIyP8xrHXboCA+ psYvImJMQK3vBPYrYSxFgCnCsJcX9EGLtEO20R68f5GFtSQVS98XN5t5y PEtEwneG4CRcCP7KwtS3ONcGE2EqypxrkgTIVZsEtRkjU7zCJQLbfNy8Y A==; X-IronPort-AV: E=McAfee;i="6600,9927,10777"; a="347245363" X-IronPort-AV: E=Sophos;i="6.01,220,1684825200"; d="scan'208";a="347245363" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2023 22:44:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10777"; a="898593070" X-IronPort-AV: E=Sophos;i="6.01,220,1684825200"; d="scan'208";a="898593070" Received: from lkp-server02.sh.intel.com (HELO 36946fcf73d7) ([10.239.97.151]) by orsmga005.jf.intel.com with ESMTP; 20 Jul 2023 22:43:58 -0700 Received: from kbuild by 36946fcf73d7 with local (Exim 4.96) (envelope-from ) id 1qMivl-0006vZ-30; Fri, 21 Jul 2023 05:43:57 +0000 Date: Fri, 21 Jul 2023 13:43:33 +0800 From: kernel test robot To: =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Muhammad Usama Anjum Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Alex Sierra , Alexander Viro , Andrei Vagin , Andrew Morton , Linux Memory Management List , Axel Rasmussen , Christian Brauner , Cyrill Gorcunov , Dan Williams , Danylo Mocherniuk , David Hildenbrand , Greg KH , "Gustavo A . R . Silva" , "Liam R . Howlett" , Matthew Wilcox , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Mike Rapoport , Nadav Amit , Pasha Tatashin , Paul Gofman , Peter Xu , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Yang Shi , Yun Zhou , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning Message-ID: <202307211337.5dwCMeHb-lkp@intel.com> References: Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Hi Michał, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.5-rc2 next-20230720] [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/Micha-Miros-aw/Re-fs-proc-task_mmu-Implement-IOCTL-for-efficient-page-table-scanning/20230721-033050 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.1689881078.git.mirq-linux%40rere.qmqm.pl patch subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning config: i386-randconfig-r022-20230720 (https://download.01.org/0day-ci/archive/20230721/202307211337.5dwCMeHb-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211337.5dwCMeHb-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/202307211337.5dwCMeHb-lkp@intel.com/ All errors (new ones prefixed by >>): >> fs/proc/task_mmu.c:1921:6: error: call to undeclared function 'userfaultfd_wp_async'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) ^ >> fs/proc/task_mmu.c:2200:12: error: call to undeclared function 'uffd_wp_range'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] int err = uffd_wp_range(vma, addr, end - addr, true); ^ 2 errors generated. vim +/userfaultfd_wp_async +1921 fs/proc/task_mmu.c 1913 1914 static int pagemap_scan_test_walk(unsigned long start, unsigned long end, 1915 struct mm_walk *walk) 1916 { 1917 struct pagemap_scan_private *p = walk->private; 1918 struct vm_area_struct *vma = walk->vma; 1919 unsigned long vma_category = 0; 1920 > 1921 if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) 1922 vma_category |= PAGE_IS_WPASYNC; 1923 else if (p->arg.flags & PM_SCAN_CHECK_WPASYNC) 1924 return -EPERM; 1925 1926 if (vma->vm_flags & VM_PFNMAP) 1927 return 1; 1928 1929 if (!pagemap_scan_is_interesting_vma(vma_category, p)) 1930 return 1; 1931 1932 p->cur_vma_category = vma_category; 1933 return 0; 1934 } 1935 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki