Hi Minchan, [auto build test ERROR on mmotm/master] [also build test ERROR on next-20170310] [cannot apply to v4.11-rc2] [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/Minchan-Kim/make-try_to_unmap-simple/20170317-020635 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): mm/rmap.c: In function 'try_to_unmap_one': >> mm/rmap.c:1417:11: error: 'SWAP_FAIL' undeclared (first use in this function) ret = SWAP_FAIL; ^~~~~~~~~ mm/rmap.c:1417:11: note: each undeclared identifier is reported only once for each function it appears in vim +/SWAP_FAIL +1417 mm/rmap.c ^1da177e Linus Torvalds 2005-04-16 1411 /* ^1da177e Linus Torvalds 2005-04-16 1412 * Store the swap location in the pte. ^1da177e Linus Torvalds 2005-04-16 1413 * See handle_pte_fault() ... ^1da177e Linus Torvalds 2005-04-16 1414 */ efeba3bd Minchan Kim 2017-03-10 1415 if (unlikely(PageSwapBacked(page) != PageSwapCache(page))) { efeba3bd Minchan Kim 2017-03-10 1416 WARN_ON_ONCE(1); 3154f021 Minchan Kim 2017-03-10 @1417 ret = SWAP_FAIL; 3154f021 Minchan Kim 2017-03-10 1418 page_vma_mapped_walk_done(&pvmw); 3154f021 Minchan Kim 2017-03-10 1419 break; 3154f021 Minchan Kim 2017-03-10 1420 } :::::: The code at line 1417 was first introduced by commit :::::: 3154f021001fba264cc2cba4c4ff4bfb5a3e2f92 mm: fix lazyfree BUG_ON check in try_to_unmap_one() :::::: TO: Minchan Kim <minchan@xxxxxxxxxx> :::::: CC: Johannes Weiner <hannes@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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