[dax:xarray-pagecache 10/15] mm/swap.c:559:35: error: implicit declaration of function 'hpage_nr_pages'; did you mean 'pcpu_nr_pages'?

[dax:xarray-pagecache 10/15] mm/swap.c:559:35: error: implicit declaration of function 'hpage_nr_pages'; did you mean 'pcpu_nr_pages'?

[kbuild test robot]

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tree:   git://git.infradead.org/users/willy/linux-dax.git xarray-pagecache
head:   51b5b575c276314969b5811bd2889907a89100e9
commit: 8bc7a587c5b63ad4f9c232ef7104895232001a10 [10/15] mm: Remove hpage_nr_pages
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-1) 7.5.0
reproduce:
        git checkout 8bc7a587c5b63ad4f9c232ef7104895232001a10
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All errors (new ones prefixed by >>):

   mm/swap.c: In function 'lru_deactivate_fn':
>> mm/swap.c:559:35: error: implicit declaration of function 'hpage_nr_pages'; did you mean 'pcpu_nr_pages'? [-Werror=implicit-function-declaration]
      __count_vm_events(PGDEACTIVATE, hpage_nr_pages(page));
                                      ^~~~~~~~~~~~~~
                                      pcpu_nr_pages
   cc1: some warnings being treated as errors

vim +559 mm/swap.c

315601809d124d Minchan Kim 2011-03-22  546  
9c276cc65a58fa Minchan Kim 2019-09-25  547  static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec,
9c276cc65a58fa Minchan Kim 2019-09-25  548  			    void *arg)
9c276cc65a58fa Minchan Kim 2019-09-25  549  {
9c276cc65a58fa Minchan Kim 2019-09-25  550  	if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
9c276cc65a58fa Minchan Kim 2019-09-25  551  		int file = page_is_file_cache(page);
9c276cc65a58fa Minchan Kim 2019-09-25  552  		int lru = page_lru_base_type(page);
9c276cc65a58fa Minchan Kim 2019-09-25  553  
9c276cc65a58fa Minchan Kim 2019-09-25  554  		del_page_from_lru_list(page, lruvec, lru + LRU_ACTIVE);
9c276cc65a58fa Minchan Kim 2019-09-25  555  		ClearPageActive(page);
9c276cc65a58fa Minchan Kim 2019-09-25  556  		ClearPageReferenced(page);
9c276cc65a58fa Minchan Kim 2019-09-25  557  		add_page_to_lru_list(page, lruvec, lru);
9c276cc65a58fa Minchan Kim 2019-09-25  558  
9c276cc65a58fa Minchan Kim 2019-09-25 @559  		__count_vm_events(PGDEACTIVATE, hpage_nr_pages(page));
9c276cc65a58fa Minchan Kim 2019-09-25  560  		update_page_reclaim_stat(lruvec, file, 0);
9c276cc65a58fa Minchan Kim 2019-09-25  561  	}
9c276cc65a58fa Minchan Kim 2019-09-25  562  }
10853a039208c4 Minchan Kim 2016-01-15  563  

:::::: The code at line 559 was first introduced by commit
:::::: 9c276cc65a58faf98be8e56962745ec99ab87636 mm: introduce MADV_COLD

:::::: TO: Minchan Kim <minchan@kernel.org>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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