From: kernel test robot <lkp@intel.com>
To: Luis Chamberlain <mcgrof@kernel.org>,
akpm@linux-foundation.org, jhubbard@nvidia.com, vbabka@suse.cz,
mgorman@suse.de, linux-mm@kvack.org
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
dave@stgolabs.net, p.raghav@samsung.com, da.gomez@samsung.com,
mcgrof@kernel.org
Subject: Re: [PATCH 2/3] mm/compaction: add and use for_each_populated_zone_pgdat() helper
Date: Thu, 14 Mar 2024 19:40:04 +0800 [thread overview]
Message-ID: <202403141931.2XJWI4fa-lkp@intel.com> (raw)
In-Reply-To: <20240314005436.2962962-3-mcgrof@kernel.org>
Hi Luis,
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/Luis-Chamberlain/mm-show_mem-simplify-ifdef-on-si_meminfo_node/20240314-085917
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20240314005436.2962962-3-mcgrof%40kernel.org
patch subject: [PATCH 2/3] mm/compaction: add and use for_each_populated_zone_pgdat() helper
config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240314/202403141931.2XJWI4fa-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240314/202403141931.2XJWI4fa-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/202403141931.2XJWI4fa-lkp@intel.com/
All warnings (new ones prefixed by >>):
mm/compaction.c: In function 'fragmentation_score_node':
>> mm/compaction.c:2252:13: warning: unused variable 'zoneid' [-Wunused-variable]
2252 | int zoneid;
| ^~~~~~
vim +/zoneid +2252 mm/compaction.c
2240
2241 /*
2242 * The per-node proactive (background) compaction process is started by its
2243 * corresponding kcompactd thread when the node's fragmentation score
2244 * exceeds the high threshold. The compaction process remains active till
2245 * the node's score falls below the low threshold, or one of the back-off
2246 * conditions is met.
2247 */
2248 static unsigned int fragmentation_score_node(pg_data_t *pgdat)
2249 {
2250 unsigned int score = 0;
2251 struct zone *zone;
> 2252 int zoneid;
2253
2254 for_each_populated_zone_pgdat(zone, pgdat)
2255 score += fragmentation_score_zone_weighted(zone);
2256
2257 return score;
2258 }
2259
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2024-03-14 11:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-14 0:54 [PATCH 0/3] mm: random cleanups Luis Chamberlain
2024-03-14 0:54 ` [PATCH 1/3] mm/show_mem: simplify ifdef on si_meminfo_node() Luis Chamberlain
2024-03-14 1:13 ` Kefeng Wang
2024-03-14 0:54 ` [PATCH 2/3] mm/compaction: add and use for_each_populated_zone_pgdat() helper Luis Chamberlain
2024-03-14 7:19 ` Baolin Wang
2024-03-15 5:38 ` Luis Chamberlain
2024-03-15 9:39 ` Baolin Wang
2024-03-15 11:09 ` Vlastimil Babka
2024-03-15 17:48 ` Luis Chamberlain
2024-03-14 11:40 ` kernel test robot [this message]
2024-03-14 0:54 ` [PATCH 3/3] mm/vmstat: simplfy extfrag_show_print with fragmentation_index() Luis Chamberlain
2024-03-15 11:13 ` Vlastimil Babka
2024-03-15 14:36 ` Davidlohr Bueso
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