linux-kernel - Re: [PATCH trivial] include/linux/memory

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Date:	Fri, 10 Jun 2016 14:11:34 +0800
From:	kbuild test robot <lkp@...el.com>
To:	chengang@...ndsoft.com.cn
Cc:	kbuild-all@...org, akpm@...ux-foundation.org, trivial@...nel.org,
	mhocko@...e.cz, dan.j.williams@...el.com, iamjoonsoo.kim@....com,
	vbabka@...e.cz, baiyaowei@...s.chinamobile.com,
	vkuznets@...hat.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Chen Gang <chengang@...ndsoft.com.cn>,
	Chen Gang <gang.chen.5i5j@...il.com>
Subject: Re: [PATCH trivial] include/linux/memory_hotplug.h: Clean up code

Hi,

[auto build test ERROR on next-20160609]
[also build test ERROR on v4.7-rc2]
[cannot apply to v4.7-rc2 v4.7-rc1 v4.6-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/chengang-emindsoft-com-cn/include-linux-memory_hotplug-h-Clean-up-code/20160610-114959
config: blackfin-TCM-BF537_defconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 4.6.3
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

All errors (new ones prefixed by >>):

   In file included from include/linux/mmzone.h:741:0,
                    from include/linux/gfp.h:5,
                    from include/linux/kmod.h:22,
                    from include/linux/module.h:13,
                    from include/linux/moduleloader.h:5,
                    from arch/blackfin/kernel/module.c:9:
   include/linux/memory_hotplug.h: In function 'mhp_notimplemented':
>> include/linux/memory_hotplug.h:225:2: error: 'mod' undeclared (first use in this function)
   include/linux/memory_hotplug.h:225:2: note: each undeclared identifier is reported only once for each function it appears in

vim +/mod +225 include/linux/memory_hotplug.h

   219	static inline void zone_span_writelock(struct zone *zone) {}
   220	static inline void zone_span_writeunlock(struct zone *zone) {}
   221	static inline void zone_seqlock_init(struct zone *zone) {}
   222	
   223	static inline int mhp_notimplemented(const char *func)
   224	{
 > 225		pr_warn("%s() called, with CONFIG_MEMORY_HOTPLUG disabled\n", func);
   226		dump_stack();
   227		return -ENOSYS;
   228	}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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