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Date:   Fri, 24 Nov 2023 19:46:12 +0800
From:   kernel test robot <lkp@intel.com>
To:     Kent Overstreet <kmo@daterainc.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Cc:     oe-kbuild-all@lists.linux.dev, Kent Overstreet <kmo@daterainc.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Qi Zheng <zhengqi.arch@bytedance.com>,
        Roman Gushchin <roman.gushchin@linux.dev>
Subject: Re: [PATCH 2/7] mm: shrinker: Add a .to_text() method for shrinkers
Message-ID: <202311241457.d18KlTLu-lkp@intel.com>
References: <20231122232515.177833-3-kent.overstreet@linux.dev>
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In-Reply-To: <20231122232515.177833-3-kent.overstreet@linux.dev>
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Hi Kent,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]
[also build test WARNING on linus/master v6.7-rc2 next-20231124]
[cannot apply to vbabka-slab/for-next]
[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/Kent-Overstreet/seq_buf-seq_buf_human_readable_u64/20231123-111937
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20231122232515.177833-3-kent.overstreet%40linux.dev
patch subject: [PATCH 2/7] mm: shrinker: Add a .to_text() method for shrinkers
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20231124/202311241457.d18KlTLu-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231124/202311241457.d18KlTLu-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/202311241457.d18KlTLu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/shrinker.c:832: warning: Function parameter or member 'out' not described in 'shrinkers_to_text'


vim +832 mm/shrinker.c

   824	
   825	/**
   826	 * shrinkers_to_text - Report on shrinkers with highest usage
   827	 *
   828	 * This reports on the top 10 shrinkers, by object counts, in sorted order:
   829	 * intended to be used for OOM reporting.
   830	 */
   831	void shrinkers_to_text(struct seq_buf *out)
 > 832	{

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki