[koverstreet-bcachefs:master 187/194] mm/shrinker.c:834: warning: Function parameter or struct member 'out' not described in 'shrinkers_to_text'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/koverstreet/bcachefs master
head:   a26f34c344d8314acf0c28e20166a4a090dbd298
commit: 78e5e613459733c8cc38dfcccb1e8133ddfbbc63 [187/194] mm: shrinker: Add a .to_text() method for shrinkers
config: arm-randconfig-002-20250513 (https://download.01.org/0day-ci/archive/20250513/202505131133.cevdwGyc-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250513/202505131133.cevdwGyc-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505131133.cevdwGyc-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/shrinker.c:834: warning: Function parameter or struct member 'out' not described in 'shrinkers_to_text'


vim +834 mm/shrinker.c

   826	
   827	/**
   828	 * shrinkers_to_text - Report on shrinkers with highest usage
   829	 *
   830	 * This reports on the top 10 shrinkers, by object counts, in sorted order:
   831	 * intended to be used for OOM reporting.
   832	 */
   833	void shrinkers_to_text(struct seq_buf *out)
 > 834	{

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