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Re: [PATCH 1/3] mm: Define coherent device memory (CDM) node

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Hi Anshuman,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc7]
[cannot apply to mmotm/master next-20170208]
[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/Anshuman-Khandual/Define-coherent-device-memory-node/20170208-223134
config: powerpc-ps3_defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
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=powerpc 

All errors (new ones prefixed by >>):

   mm/built-in.o: In function `early_calculate_totalpages':
>> mm/page_alloc.c:6085: undefined reference to `.arch_check_node_cdm'
   mm/built-in.o: In function `free_area_init_nodes':
   mm/page_alloc.c:6402: undefined reference to `.arch_check_node_cdm'

vim +6085 mm/page_alloc.c

  6079		for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) {
  6080			unsigned long pages = end_pfn - start_pfn;
  6081	
  6082			totalpages += pages;
  6083			if (pages) {
  6084	#ifdef CONFIG_COHERENT_DEVICE
> 6085				if (arch_check_node_cdm(nid))
  6086					node_set_state(nid, N_COHERENT_DEVICE);
  6087	#endif
  6088				node_set_state(nid, N_MEMORY);

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

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[PATCH 1/3] mm: Define coherent device memory (CDM) node Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-02-08 15:10 +0100
  Re: [PATCH 1/3] mm: Define coherent device memory (CDM) node kbuild test robot <lkp@intel.com> - 2017-02-09 04:00 +0100
  Re: [PATCH 1/3] mm: Define coherent device memory (CDM) node kbuild test robot <lkp@intel.com> - 2017-02-09 08:50 +0100
  Re: [PATCH 1/3] mm: Define coherent device memory (CDM) node Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2017-02-09 10:50 +0100

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