tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   a749425261522cc6b8401839230c988175b9d32e
commit: 5da25090ab04b5ee9a997611dfedd78936471002 [8035/8196] mm/hmm: kconfig split HMM address space mirroring from device memory
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-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
        git checkout 5da25090ab04b5ee9a997611dfedd78936471002
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=sparc64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>


All errors (new ones prefixed by >>):

   mm/hmm.c: In function 'hmm_vma_handle_pmd':
>> mm/hmm.c:537:37: error: macro "pte_index" requires 2 arguments, but only 1 given
     pfn = pmd_pfn(pmd) + pte_index(addr);
                                        ^
>> mm/hmm.c:537:23: error: 'pte_index' undeclared (first use in this function); did you mean 'page_index'?
     pfn = pmd_pfn(pmd) + pte_index(addr);
                          ^~~~~~~~~
                          page_index
   mm/hmm.c:537:23: note: each undeclared identifier is reported only once for each function it appears in

vim +/pte_index +537 mm/hmm.c

eb0e1d92 Jérôme Glisse 2019-04-17  516  
53f5c3f4 Jérôme Glisse 2018-04-10  517  static int hmm_vma_handle_pmd(struct mm_walk *walk,
53f5c3f4 Jérôme Glisse 2018-04-10  518  			      unsigned long addr,
da4c3c73 Jérôme Glisse 2017-09-08  519  			      unsigned long end,
53f5c3f4 Jérôme Glisse 2018-04-10  520  			      uint64_t *pfns,
53f5c3f4 Jérôme Glisse 2018-04-10  521  			      pmd_t pmd)
da4c3c73 Jérôme Glisse 2017-09-08  522  {
74eee180 Jérôme Glisse 2017-09-08  523  	struct hmm_vma_walk *hmm_vma_walk = walk->private;
f88a1e90 Jérôme Glisse 2018-04-10  524  	struct hmm_range *range = hmm_vma_walk->range;
2aee09d8 Jérôme Glisse 2018-04-10  525  	unsigned long pfn, npages, i;
2aee09d8 Jérôme Glisse 2018-04-10  526  	bool fault, write_fault;
f88a1e90 Jérôme Glisse 2018-04-10  527  	uint64_t cpu_flags;
da4c3c73 Jérôme Glisse 2017-09-08  528  
2aee09d8 Jérôme Glisse 2018-04-10  529  	npages = (end - addr) >> PAGE_SHIFT;
f88a1e90 Jérôme Glisse 2018-04-10  530  	cpu_flags = pmd_to_hmm_pfn_flags(range, pmd);
2aee09d8 Jérôme Glisse 2018-04-10  531  	hmm_range_need_fault(hmm_vma_walk, pfns, npages, cpu_flags,
2aee09d8 Jérôme Glisse 2018-04-10  532  			     &fault, &write_fault);
da4c3c73 Jérôme Glisse 2017-09-08  533  
2aee09d8 Jérôme Glisse 2018-04-10  534  	if (pmd_protnone(pmd) || fault || write_fault)
2aee09d8 Jérôme Glisse 2018-04-10  535  		return hmm_vma_walk_hole_(addr, end, fault, write_fault, walk);
74eee180 Jérôme Glisse 2017-09-08  536  
da4c3c73 Jérôme Glisse 2017-09-08 @537  	pfn = pmd_pfn(pmd) + pte_index(addr);
eb0e1d92 Jérôme Glisse 2019-04-17  538  	for (i = 0; addr < end; addr += PAGE_SIZE, i++, pfn++) {
eb0e1d92 Jérôme Glisse 2019-04-17  539  		if (pmd_devmap(pmd)) {
eb0e1d92 Jérôme Glisse 2019-04-17  540  			hmm_vma_walk->pgmap = get_dev_pagemap(pfn,
eb0e1d92 Jérôme Glisse 2019-04-17  541  					      hmm_vma_walk->pgmap);
eb0e1d92 Jérôme Glisse 2019-04-17  542  			if (unlikely(!hmm_vma_walk->pgmap))
eb0e1d92 Jérôme Glisse 2019-04-17  543  				return -EBUSY;
eb0e1d92 Jérôme Glisse 2019-04-17  544  		}
85416fe9 Jérôme Glisse 2019-04-17  545  		pfns[i] = hmm_device_entry_from_pfn(range, pfn) | cpu_flags;
eb0e1d92 Jérôme Glisse 2019-04-17  546  	}
eb0e1d92 Jérôme Glisse 2019-04-17  547  	if (hmm_vma_walk->pgmap) {
eb0e1d92 Jérôme Glisse 2019-04-17  548  		put_dev_pagemap(hmm_vma_walk->pgmap);
eb0e1d92 Jérôme Glisse 2019-04-17  549  		hmm_vma_walk->pgmap = NULL;
eb0e1d92 Jérôme Glisse 2019-04-17  550  	}
53f5c3f4 Jérôme Glisse 2018-04-10  551  	hmm_vma_walk->last = end;
da4c3c73 Jérôme Glisse 2017-09-08  552  	return 0;
da4c3c73 Jérôme Glisse 2017-09-08  553  }
da4c3c73 Jérôme Glisse 2017-09-08  554  

:::::: The code at line 537 was first introduced by commit
:::::: da4c3c735ea4dcc2a0b0ff0bd4803c336361b6f5 mm/hmm/mirror: helper to snapshot CPU page table

:::::: TO: Jérôme Glisse <jglisse@redhat.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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