[mmotm:master 265/276] mm/hmm.c:815:2: error: implicit declaration of function 'arch_remove_memory'

[mmotm:master 265/276] mm/hmm.c:815:2: error: implicit declaration of function 'arch_remove_memory'

[kbuild test robot]

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   5b220005fda0593464fc4549eea586e597bf783c
commit: 89cc4c46458ccdfab15b2fe94a5645766d5091aa [265/276] mm/hmm/devmem: device memory hotplug using ZONE_DEVICE
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 89cc4c46458ccdfab15b2fe94a5645766d5091aa
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   mm/hmm.c: In function 'hmm_vma_walk_pmd':
   mm/hmm.c:369:53: error: macro "pte_index" requires 2 arguments, but only 1 given
       unsigned long pfn = pmd_pfn(pmd) + pte_index(addr);
                                                        ^
   mm/hmm.c:369:39: error: 'pte_index' undeclared (first use in this function)
       unsigned long pfn = pmd_pfn(pmd) + pte_index(addr);
                                          ^~~~~~~~~
   mm/hmm.c:369:39: note: each undeclared identifier is reported only once for each function it appears in
   mm/hmm.c: In function 'hmm_devmem_release':
>> mm/hmm.c:815:2: error: implicit declaration of function 'arch_remove_memory' [-Werror=implicit-function-declaration]
     arch_remove_memory(align_start, align_size, devmem->pagemap.type);
     ^~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/arch_remove_memory +815 mm/hmm.c

   809	
   810		/* pages are dead and unused, undo the arch mapping */
   811		align_start = resource->start & ~(SECTION_SIZE - 1);
   812		align_size = ALIGN(resource_size(resource), SECTION_SIZE);
   813	
   814		mem_hotplug_begin();
 > 815		arch_remove_memory(align_start, align_size, devmem->pagemap.type);
   816		mem_hotplug_done();
   817	
   818		untrack_pfn(NULL, PHYS_PFN(align_start), align_size);

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

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