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-Fol...
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/93822cea6776a7c6c5b1341ed1c3fdbd1...
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(a)intel.com>
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@lists.01.org