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Howlett" , Yun Zhou , Suren Baghdasaryan , Alex Sierra , Muhammad Usama Anjum , Matthew Wilcox , Pasha Tatashin , Axel Rasmussen , "Gustavo A . R . Silva" , Dan Williams , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, Greg KH Subject: Re: [PATCH v22 4/5] mm/pagemap: add documentation of PAGEMAP_SCAN IOCTL Message-ID: <202307041808.b1eQDDHa-lkp@intel.com> References: <20230628095426.1886064-5-usama.anjum@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230628095426.1886064-5-usama.anjum@collabora.com> X-Rspamd-Queue-Id: 69FE08000F X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: xnueipiggtq9qd7bshob4q1rc54861ge X-HE-Tag: 1688465459-649961 X-HE-Meta: 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 J+qF4GJ7 MNN/h7FpGY4baa5SR3GzEO/yp6GMw6ucejjMnPPSHwFI9b+6IsBGzeVhYXrsdVNjlBGQHOLJ2GjfSeMGXJDevGGDs5OAJA6IPilSqkBz5wLyUG/Fr3F7Ppr9t0bxQCl6znIXaIi6HY2xkdj3kKXlXHPrZL7wCvIgWPd1mMQw5AvPuOJ5ZZbJlhKUT1IZLe0heAdmF30MPyFWl/KYVvCUSxgQm1Lw8s5mYhSUd3aPC1Yax2ZKouK/Tlv8DhFrwpk58+SkACst4RL7buh4qYFOA+neXYwD1QuwE8ezsRrecsr69n5AP26lw7bSacsR9Co4/u/Tk9ybp13WY4Wv+f23EdujWZU7GuPqBtA/sHnVvHiMVw7PbKhzIa87UR09f4ZnS7h4+qxArUtGe/nVTXFPya0kNFj+b/WJhaMkc6UuAwKET3qgRCci7Aqb20FSIqIVLY9sPzUpMHj3o6MzRFUzin3O6cOinixX3i7Sc 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: Hi Muhammad, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master next-20230704] [cannot apply to v6.4] [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/Muhammad-Usama-Anjum/userfaultfd-UFFD_FEATURE_WP_ASYNC/20230628-180259 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230628095426.1886064-5-usama.anjum%40collabora.com patch subject: [PATCH v22 4/5] mm/pagemap: add documentation of PAGEMAP_SCAN IOCTL reproduce: (https://download.01.org/0day-ci/archive/20230704/202307041808.b1eQDDHa-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/202307041808.b1eQDDHa-lkp@intel.com/ All warnings (new ones prefixed by >>): >> Documentation/admin-guide/mm/pagemap.rst:238: WARNING: Unexpected indentation. >> Documentation/admin-guide/mm/pagemap.rst:240: WARNING: Block quote ends without a blank line; unexpected unindent. vim +238 Documentation/admin-guide/mm/pagemap.rst 233 234 The ``PAGEMAP_SCAN`` IOCTL on the pagemap file can be used to get or optionally 235 clear the info about page table entries. The following operations are supported 236 in this IOCTL: 237 - Get the information if the pages have been written to (``PAGE_IS_WRITTEN``), > 238 file mapped (``PAGE_IS_FILE``), present (``PAGE_IS_PRESENT``), swapped 239 (``PAGE_IS_SWAPPED``) or page has pfn zero (``PAGE_IS_PFNZERO``). > 240 - Find pages which have been written to and/or write protect the pages atomically 241 (atomic ``PM_SCAN_OP_GET + PM_SCAN_OP_WP``) 242 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki