Hi Naoya, [auto build test WARNING on mmotm/master] [also build test WARNING on next-20161028] [cannot apply to v4.9-rc4] [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/Naoya-Horiguchi/mm-x86-move-_PAGE_SWP_SOFT_DIRTY-from-bit-7-to-bit-6/20161108-080615 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-randconfig-x000-201645 (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 warnings (new ones prefixed by >>): Cyclomatic Complexity 3 mm/memory_hotplug.c:setup_memhp_default_state Cyclomatic Complexity 6 mm/memory_hotplug.c:find_smallest_section_pfn Cyclomatic Complexity 6 mm/memory_hotplug.c:find_biggest_section_pfn Cyclomatic Complexity 9 mm/memory_hotplug.c:shrink_pgdat_span Cyclomatic Complexity 1 include/linux/err.h:IS_ERR Cyclomatic Complexity 2 include/linux/page-flags.h:compound_head Cyclomatic Complexity 1 include/linux/page_ref.h:page_count Cyclomatic Complexity 2 include/linux/thread_info.h:test_ti_thread_flag Cyclomatic Complexity 1 include/linux/sched.h:test_tsk_thread_flag Cyclomatic Complexity 1 include/linux/sched.h:signal_pending Cyclomatic Complexity 0 include/linux/memory_hotplug.h:generic_alloc_nodedata Cyclomatic Complexity 3 mm/memory_hotplug.c:next_active_pageblock Cyclomatic Complexity 1 mm/memory_hotplug.c:__online_page_increment_counters Cyclomatic Complexity 1 include/linux/mm.h:__free_reserved_page Cyclomatic Complexity 1 include/linux/mm.h:free_reserved_page Cyclomatic Complexity 1 mm/memory_hotplug.c:__online_page_free Cyclomatic Complexity 1 mm/memory_hotplug.c:generic_online_page Cyclomatic Complexity 1 include/linux/mm.h:put_page_testzero Cyclomatic Complexity 4 mm/memory_hotplug.c:check_hotplug_memory_range Cyclomatic Complexity 1 mm/memory_hotplug.c:cmdline_parse_movable_node Cyclomatic Complexity 2 mm/memory_hotplug.c:ensure_zone_is_initialized Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqcount_begin_nested Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqcount_begin Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqlock Cyclomatic Complexity 1 include/linux/memory_hotplug.h:zone_span_writelock Cyclomatic Complexity 1 include/linux/seqlock.h:write_seqcount_end Cyclomatic Complexity 1 include/linux/seqlock.h:write_sequnlock Cyclomatic Complexity 1 include/linux/memory_hotplug.h:zone_span_writeunlock Cyclomatic Complexity 3 mm/memory_hotplug.c:grow_zone_span Cyclomatic Complexity 4 mm/memory_hotplug.c:__add_zone Cyclomatic Complexity 4 mm/memory_hotplug.c:__add_section Cyclomatic Complexity 7 mm/memory_hotplug.c:__add_pages Cyclomatic Complexity 9 mm/memory_hotplug.c:shrink_zone_span Cyclomatic Complexity 1 mm/memory_hotplug.c:__remove_zone Cyclomatic Complexity 2 mm/memory_hotplug.c:resize_zone Cyclomatic Complexity 6 mm/memory_hotplug.c:move_pfn_range_left Cyclomatic Complexity 6 mm/memory_hotplug.c:move_pfn_range_right Cyclomatic Complexity 4 mm/memory_hotplug.c:move_pfn_range Cyclomatic Complexity 3 mm/memory_hotplug.c:__remove_section Cyclomatic Complexity 6 mm/memory_hotplug.c:__remove_pages Cyclomatic Complexity 2 mm/memory_hotplug.c:check_pages_isolated Cyclomatic Complexity 1 mm/memory_hotplug.c:offline_isolated_pages Cyclomatic Complexity 3 mm/memory_hotplug.c:hotadd_new_pgdat Cyclomatic Complexity 1 mm/memory_hotplug.c:online_memory_block Cyclomatic Complexity 1 mm/memory_hotplug.c:rollback_node_hotadd Cyclomatic Complexity 4 mm/memory_hotplug.c:register_memory_resource Cyclomatic Complexity 2 mm/memory_hotplug.c:release_memory_resource Cyclomatic Complexity 6 mm/memory_hotplug.c:scan_movable_pages Cyclomatic Complexity 1 include/linux/gfp.h:__alloc_pages Cyclomatic Complexity 1 include/linux/hugetlb.h:page_hstate Cyclomatic Complexity 3 include/linux/bitmap.h:bitmap_empty Cyclomatic Complexity 1 include/linux/nodemask.h:__nodes_empty Cyclomatic Complexity 12 mm/memory_hotplug.c:new_node_page Cyclomatic Complexity 3 include/linux/mm.h:put_page Cyclomatic Complexity 15 mm/memory_hotplug.c:do_migrate_range Cyclomatic Complexity 2 mm/memory_hotplug.c:check_pages_isolated_cb Cyclomatic Complexity 1 mm/memory_hotplug.c:offline_isolated_pages_cb Cyclomatic Complexity 2 mm/memory_hotplug.c:check_memblock_offlined_cb Cyclomatic Complexity 2 mm/memory_hotplug.c:get_online_mems Cyclomatic Complexity 6 mm/memory_hotplug.c:put_online_mems Cyclomatic Complexity 2 mm/memory_hotplug.c:set_online_page_callback Cyclomatic Complexity 2 mm/memory_hotplug.c:restore_online_page_callback Cyclomatic Complexity 2 mm/memory_hotplug.c:mem_hotplug_begin Cyclomatic Complexity 1 mm/memory_hotplug.c:mem_hotplug_done Cyclomatic Complexity 1 mm/memory_hotplug.c:get_page_bootmem Cyclomatic Complexity 2 mm/memory_hotplug.c:put_page_bootmem Cyclomatic Complexity 9 mm/memory_hotplug.c:zone_can_shift Cyclomatic Complexity 16 mm/memory_hotplug.c:online_pages Cyclomatic Complexity 4 mm/memory_hotplug.c:try_online_node Cyclomatic Complexity 2 mm/memory_hotplug.c:zone_for_memory Cyclomatic Complexity 3 mm/memory_hotplug.c:is_mem_section_removable Cyclomatic Complexity 7 mm/memory_hotplug.c:test_pages_in_a_zone Cyclomatic Complexity 22 mm/memory_hotplug.c:__offline_pages Cyclomatic Complexity 1 mm/memory_hotplug.c:offline_pages Cyclomatic Complexity 9 mm/memory_hotplug.c:walk_memory_range Cyclomatic Complexity 8 mm/memory_hotplug.c:add_memory_resource Cyclomatic Complexity 3 mm/memory_hotplug.c:add_memory Cyclomatic Complexity 1 mm/memory_hotplug.c:remove_memory In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from mm/memory_hotplug.c:7: mm/memory_hotplug.c: In function 'new_node_page': include/linux/compiler.h:518:38: error: call to '__compiletime_assert_1575' declared with attribute error: BUILD_BUG failed _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:501:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:518:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/bug.h:88:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:181:28: note: in expansion of macro 'BUILD_BUG' #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) ^~~~~~~~~ >> include/linux/huge_mm.h:56:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) ^~~~~~~~~~~~~~~ >> mm/memory_hotplug.c:1575:27: note: in expansion of macro 'HPAGE_PMD_ORDER' if (new_page && order == HPAGE_PMD_ORDER) ^~~~~~~~~~~~~~~ vim +/HPAGE_PMD_ORDER +1575 mm/memory_hotplug.c 1559 gfp_mask |= GFP_TRANSHUGE; 1560 } 1561 1562 node_clear(nid, nmask); 1563 1564 if (PageHighMem(page) 1565 || (zone_idx(page_zone(page)) == ZONE_MOVABLE)) 1566 gfp_mask |= __GFP_HIGHMEM; 1567 1568 if (!nodes_empty(nmask)) 1569 new_page = __alloc_pages_nodemask(gfp_mask, order, 1570 node_zonelist(nid, gfp_mask), &nmask); 1571 if (!new_page) 1572 new_page = __alloc_pages(gfp_mask, order, 1573 node_zonelist(nid, gfp_mask)); 1574 > 1575 if (new_page && order == HPAGE_PMD_ORDER) 1576 prep_transhuge_page(new_page); 1577 1578 return new_page; 1579 } 1580 1581 #define NR_OFFLINE_AT_ONCE_PAGES (256) 1582 static int 1583 do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation