linux-kernel - Re: [PATCH v2] include/linux/nodemask.h: Use nr_node_ids (not MAX_NUMNODES) in __nodemask_pr

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Date:   Wed, 19 Dec 2018 13:48:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Waiman Long <longman@...hat.com>
Cc:     kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, Oscar Salvador <osalvador@...e.de>,
        Tejun Heo <tj@...nel.org>, Waiman Long <longman@...hat.com>
Subject: Re: [PATCH v2] include/linux/nodemask.h: Use nr_node_ids (not
 MAX_NUMNODES) in __nodemask_pr_numnodes()

Hi Waiman,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.20-rc7 next-20181218]
[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/Waiman-Long/include-linux-nodemask-h-Use-nr_node_ids-not-MAX_NUMNODES-in-__nodemask_pr_numnodes/20181219-110121
config: arm-omap2plus_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   kernel/cgroup/cpuset.o: In function `cpuset_common_seq_show':
>> cpuset.c:(.text+0xe2c): undefined reference to `nr_node_ids'
   kernel/cgroup/cpuset.o: In function `cpuset_print_current_mems_allowed':
   cpuset.c:(.text+0x4624): undefined reference to `nr_node_ids'
   kernel/cgroup/cpuset.o: In function `cpuset_task_status_allowed':
   cpuset.c:(.text+0x4d5c): undefined reference to `nr_node_ids'
   mm/oom_kill.o: In function `dump_header':
   oom_kill.c:(.text.unlikely+0x3c4): undefined reference to `nr_node_ids'
   mm/page_alloc.o: In function `warn_alloc':
   page_alloc.c:(.text+0x4ae0): undefined reference to `nr_node_ids'

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

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