From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [mel:mm-percpu-local_lock-v1r10 11/16] mm/vmstat.c:1690:28: warning: variable 'pzstats' set but not used
Date: Tue, 23 Mar 2021 17:31:15 +0800 [thread overview]
Message-ID: <202103231710.D371sKJP-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git mm-percpu-local_lock-v1r10
head: e1091ede0db3313db25301e58af64ca32864c27d
commit: 6908776bbd1821e6b83b107cd2d8d8339a3c1a31 [11/16] mm/page_alloc: Split per cpu page lists and zone stats
config: m68k-randconfig-r011-20210322 (attached as .config)
compiler: m68k-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://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git/commit/?id=6908776bbd1821e6b83b107cd2d8d8339a3c1a31
git remote add mel https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git
git fetch --no-tags mel mm-percpu-local_lock-v1r10
git checkout 6908776bbd1821e6b83b107cd2d8d8339a3c1a31
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
mm/vmstat.c: In function 'zoneinfo_show_print':
>> mm/vmstat.c:1690:28: warning: variable 'pzstats' set but not used [-Wunused-but-set-variable]
1690 | struct per_cpu_zonestat *pzstats;
| ^~~~~~~
vim +/pzstats +1690 mm/vmstat.c
1686
1687 seq_printf(m, "\n pagesets");
1688 for_each_online_cpu(i) {
1689 struct per_cpu_pages *pcp;
> 1690 struct per_cpu_zonestat *pzstats;
1691
1692 pcp = per_cpu_ptr(zone->per_cpu_pageset, i);
1693 pzstats = per_cpu_ptr(zone->per_cpu_zonestats, i);
1694 seq_printf(m,
1695 "\n cpu: %i"
1696 "\n count: %i"
1697 "\n high: %i"
1698 "\n batch: %i",
1699 i,
1700 pcp->count,
1701 pcp->high,
1702 pcp->batch);
1703 #ifdef CONFIG_SMP
1704 seq_printf(m, "\n vm stats threshold: %d",
1705 pzstats->stat_threshold);
1706 #endif
1707 }
1708 seq_printf(m,
1709 "\n node_unreclaimable: %u"
1710 "\n start_pfn: %lu",
1711 pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES,
1712 zone->zone_start_pfn);
1713 seq_putc(m, '\n');
1714 }
1715
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-03-23 9:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-23 9:31 kernel test robot [this message]
2021-03-24 9:36 ` [mel:mm-percpu-local_lock-v1r10 11/16] mm/vmstat.c:1690:28: warning: variable 'pzstats' set but not used Mel Gorman
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