Hi Vlastimil, [auto build test WARNING on v4.6-rc2] [also build test WARNING on next-20160406] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Vlastimil-Babka/cpuset-use-static-key-better-and-convert-to-new-API/20160406-164542 config: x86_64-randconfig-x007-201614 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from mm/page_alloc.c:17: mm/page_alloc.c: In function 'get_page_from_freelist': mm/page_alloc.c:2653:5: error: implicit declaration of function '__cpuset_zone_allowed' [-Werror=implicit-function-declaration] !__cpuset_zone_allowed(zone, gfp_mask)) ^ include/linux/compiler.h:151:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ >> mm/page_alloc.c:2651:3: note: in expansion of macro 'if' if (cpusets_enabled() && ^ cc1: some warnings being treated as errors vim +/if +2651 mm/page_alloc.c 7fb1d9fca Rohit Seth 2005-11-13 2635 struct page *page = NULL; 5117f45d1 Mel Gorman 2009-06-16 2636 struct zone *zone; 4ffeaf356 Mel Gorman 2014-08-06 2637 int nr_fair_skipped = 0; 4ffeaf356 Mel Gorman 2014-08-06 2638 bool zonelist_rescan; 54a6eb5c4 Mel Gorman 2008-04-28 2639 9276b1bc9 Paul Jackson 2006-12-06 2640 zonelist_scan: 4ffeaf356 Mel Gorman 2014-08-06 2641 zonelist_rescan = false; 4ffeaf356 Mel Gorman 2014-08-06 2642 7fb1d9fca Rohit Seth 2005-11-13 2643 /* 9276b1bc9 Paul Jackson 2006-12-06 2644 * Scan zonelist, looking for a zone with enough free. 344736f29 Vladimir Davydov 2014-10-20 2645 * See also __cpuset_node_allowed() comment in kernel/cpuset.c. 7fb1d9fca Rohit Seth 2005-11-13 2646 */ a9263751e Vlastimil Babka 2015-02-11 2647 for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx, a9263751e Vlastimil Babka 2015-02-11 2648 ac->nodemask) { e085dbc52 Johannes Weiner 2013-09-11 2649 unsigned long mark; e085dbc52 Johannes Weiner 2013-09-11 2650 664eeddee Mel Gorman 2014-06-04 @2651 if (cpusets_enabled() && 664eeddee Mel Gorman 2014-06-04 2652 (alloc_flags & ALLOC_CPUSET) && a8f315757 Vlastimil Babka 2016-04-06 2653 !__cpuset_zone_allowed(zone, gfp_mask)) cd38b115d Mel Gorman 2011-07-25 2654 continue; a756cf590 Johannes Weiner 2012-01-10 2655 /* 81c0a2bb5 Johannes Weiner 2013-09-11 2656 * Distribute pages in proportion to the individual 81c0a2bb5 Johannes Weiner 2013-09-11 2657 * zone size to ensure fair page aging. The zone a 81c0a2bb5 Johannes Weiner 2013-09-11 2658 * page was allocated in should have no effect on the 81c0a2bb5 Johannes Weiner 2013-09-11 2659 * time the page has in memory before being reclaimed. :::::: The code at line 2651 was first introduced by commit :::::: 664eeddeef6539247691197c1ac124d4aa872ab6 mm: page_alloc: use jump labels to avoid checking number_of_cpusets :::::: TO: Mel Gorman <mgorman@xxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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