From: kbuild test robot <fengguang.wu@intel.com>
To: Michal Hocko <mhocko@suse.com>
Cc: kbuild-all@01.org, Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [mmotm:master 180/303] arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true'
Date: Sat, 11 Nov 2017 15:49:04 +0800 [thread overview]
Message-ID: <201711111502.llJQ6zva%fengguang.wu@intel.com> (raw)
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tree: git://git.cmpxchg.org/linux-mmotm.git master
head: 21c4efa7694b072dddce68082e16156f24e1c1f0
commit: 224aa5f4017811570da4d0a332d9791da07b2fc7 [180/303] mm: simplify nodemask printing
config: tile-tilegx_defconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 224aa5f4017811570da4d0a332d9791da07b2fc7
# save the attached .config to linux build tree
make.cross ARCH=tile
All warnings (new ones prefixed by >>):
arch/tile/kernel/setup.c: In function 'setup_isolnodes':
>> arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true' [-Waddress]
>> arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true' [-Waddress]
vim +222 arch/tile/kernel/setup.c
77f8c740 Chris Metcalf 2013-08-06 216
867e359b Chris Metcalf 2010-05-28 217 static int __init setup_isolnodes(char *str)
867e359b Chris Metcalf 2010-05-28 218 {
867e359b Chris Metcalf 2010-05-28 219 if (str == NULL || nodelist_parse(str, isolnodes) != 0)
867e359b Chris Metcalf 2010-05-28 220 return -EINVAL;
867e359b Chris Metcalf 2010-05-28 221
839b2680 Tejun Heo 2015-02-13 @222 pr_info("Set isolnodes value to '%*pbl'\n",
839b2680 Tejun Heo 2015-02-13 223 nodemask_pr_args(&isolnodes));
867e359b Chris Metcalf 2010-05-28 224 return 0;
867e359b Chris Metcalf 2010-05-28 225 }
867e359b Chris Metcalf 2010-05-28 226 early_param("isolnodes", setup_isolnodes);
867e359b Chris Metcalf 2010-05-28 227
:::::: The code at line 222 was first introduced by commit
:::::: 839b268033c5d1316b2f8cf49184984e6f335fee tile: use %*pb[l] to print bitmaps including cpumasks and nodemasks
:::::: TO: Tejun Heo <tj@kernel.org>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next reply other threads:[~2017-11-11 7:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-11 7:49 kbuild test robot [this message]
2017-11-14 0:10 ` [mmotm:master 180/303] arch/tile/kernel/setup.c:222:2: warning: the address of 'isolnodes' will always evaluate as 'true' Andrew Morton
2017-11-14 7:01 ` Michal Hocko
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