Re: [PATCH 7/9] mm/swapfile: Make folio_put_swap batchable

From: kernel test robot

Date: Tue Mar 17 2026 - 21:05:34 EST


Hi Dev,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]

url: https://github.com/intel-lab-lkp/linux/commits/Dev-Jain/mm-rmap-make-nr_pages-signed-in-try_to_unmap_one/20260310-153604
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20260310073013.4069309-8-dev.jain%40arm.com
patch subject: [PATCH 7/9] mm/swapfile: Make folio_put_swap batchable
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20260318/202603180953.FNgOslIG-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260318/202603180953.FNgOslIG-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603180953.FNgOslIG-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

Warning: mm/swapfile.c:1757 function parameter 'nr_pages' not described in 'folio_dup_swap'
>> Warning: mm/swapfile.c:1780 function parameter 'nr_pages' not described in 'folio_put_swap'
Warning: mm/swapfile.c:1757 function parameter 'nr_pages' not described in 'folio_dup_swap'
>> Warning: mm/swapfile.c:1780 function parameter 'nr_pages' not described in 'folio_put_swap'

--
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https://github.com/intel/lkp-tests/wiki