Hi "Matthew, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20210319] [cannot apply to linux/master linus/master hnaz-linux-mm/master v5.12-rc3 v5.12-rc2 v5.12-rc1 v5.12-rc3] [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] url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/Memory-Folios/20210320-134732 base: f00397ee41c79b6155b9b44abd0055b2c0621349 config: nds32-defconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/93822cea6776a7c6c5b1341ed1c3fdbd1e5eeaab git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-Folios/20210320-134732 git checkout 93822cea6776a7c6c5b1341ed1c3fdbd1e5eeaab # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): mm/filemap.c:1400: warning: Function parameter or member 'folio' not described in 'add_folio_wait_queue' >> mm/filemap.c:1400: warning: expecting prototype for add_page_wait_queue(). Prototype was for add_folio_wait_queue() instead vim +1400 mm/filemap.c 9a1ea439b16b92 Hugh Dickins 2018-12-28 1391 385e1ca5f21c46 David Howells 2009-04-03 1392 /** 385e1ca5f21c46 David Howells 2009-04-03 1393 * add_page_wait_queue - Add an arbitrary waiter to a page's wait queue 697f619fc87aa9 Randy Dunlap 2009-04-13 1394 * @page: Page defining the wait queue of interest 697f619fc87aa9 Randy Dunlap 2009-04-13 1395 * @waiter: Waiter to add to the queue 385e1ca5f21c46 David Howells 2009-04-03 1396 * 385e1ca5f21c46 David Howells 2009-04-03 1397 * Add an arbitrary @waiter to the wait queue for the nominated @page. 385e1ca5f21c46 David Howells 2009-04-03 1398 */ 93822cea6776a7 Matthew Wilcox (Oracle 2021-03-20 1399) void add_folio_wait_queue(struct folio *folio, wait_queue_entry_t *waiter) 385e1ca5f21c46 David Howells 2009-04-03 @1400 { 93822cea6776a7 Matthew Wilcox (Oracle 2021-03-20 1401) wait_queue_head_t *q = folio_waitqueue(folio); 385e1ca5f21c46 David Howells 2009-04-03 1402 unsigned long flags; 385e1ca5f21c46 David Howells 2009-04-03 1403 385e1ca5f21c46 David Howells 2009-04-03 1404 spin_lock_irqsave(&q->lock, flags); 9c3a815f471a84 Linus Torvalds 2017-08-28 1405 __add_wait_queue_entry_tail(q, waiter); 93822cea6776a7 Matthew Wilcox (Oracle 2021-03-20 1406) SetFolioWaiters(folio); 385e1ca5f21c46 David Howells 2009-04-03 1407 spin_unlock_irqrestore(&q->lock, flags); 385e1ca5f21c46 David Howells 2009-04-03 1408 } 93822cea6776a7 Matthew Wilcox (Oracle 2021-03-20 1409) EXPORT_SYMBOL_GPL(add_folio_wait_queue); 385e1ca5f21c46 David Howells 2009-04-03 1410 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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