[dax:xarray-pagecache 3/18] include/linux/mm_inline.h:65:51: warning: overflow in implicit constant conversion

[dax:xarray-pagecache 3/18] include/linux/mm_inline.h:65:51: warning: overflow in implicit constant conversion

[kbuild test robot]

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tree:   git://git.infradead.org/users/willy/linux-dax.git xarray-pagecache
head:   bd90755124d0bc1aad5b77f829c2c69b57992fb1
commit: 79d23f42282932ee0cabeeef7756c7e8806be279 [3/18] mm: Support arbitrary order page cache pages
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        git checkout 79d23f42282932ee0cabeeef7756c7e8806be279
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=x86_64

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

All warnings (new ones prefixed by >>):

   In file included from mm/compaction.c:15:0:
   include/linux/mm_inline.h: In function 'del_page_from_lru_list':
>> include/linux/mm_inline.h:65:51: warning: overflow in implicit constant conversion [-Woverflow]
     update_lru_size(lruvec, lru, page_zonenum(page), -hpage_nr_pages(page));
                                                      ^

vim +65 include/linux/mm_inline.h

c55e8d035b28b2 Johannes Weiner   2017-02-24  60  
fa9add641b1b1c Hugh Dickins      2012-05-29  61  static __always_inline void del_page_from_lru_list(struct page *page,
fa9add641b1b1c Hugh Dickins      2012-05-29  62  				struct lruvec *lruvec, enum lru_list lru)
b69408e88bd86b Christoph Lameter 2008-10-18  63  {
b69408e88bd86b Christoph Lameter 2008-10-18  64  	list_del(&page->lru);
599d0c954f91d0 Mel Gorman        2016-07-28 @65  	update_lru_size(lruvec, lru, page_zonenum(page), -hpage_nr_pages(page));
b69408e88bd86b Christoph Lameter 2008-10-18  66  }
b69408e88bd86b Christoph Lameter 2008-10-18  67  

:::::: The code at line 65 was first introduced by commit
:::::: 599d0c954f91d0689c9bb421b5bc04ea02437a41 mm, vmscan: move LRU lists to node

:::::: TO: Mel Gorman <mgorman@techsingularity.net>
:::::: 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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