Hi Li, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.0-rc5] [cannot apply to akpm-mm/mm-everything next-20220916] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Li-Zhong/mm-vmscan-check-the-return-value-of-migrate_pages/20220917-101433 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a335366bad1364a07f49df9da1fdfa6d411a5f39 config: arc-randconfig-r043-20220916 (https://download.01.org/0day-ci/archive/20220917/202209171222.QsovW80r-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/0ea516d584bd904c43954e312ac42fced822dcf7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Li-Zhong/mm-vmscan-check-the-return-value-of-migrate_pages/20220917-101433 git checkout 0ea516d584bd904c43954e312ac42fced822dcf7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): mm/vmscan.c: In function 'demote_page_list': >> mm/vmscan.c:1564:40: error: 'pagelist' undeclared (first use in this function) 1564 | putback_movable_pages(&pagelist); | ^~~~~~~~ mm/vmscan.c:1564:40: note: each undeclared identifier is reported only once for each function it appears in vim +/pagelist +1564 mm/vmscan.c 1539 1540 /* 1541 * Take pages on @demote_list and attempt to demote them to 1542 * another node. Pages which are not demoted are left on 1543 * @demote_pages. 1544 */ 1545 static unsigned int demote_page_list(struct list_head *demote_pages, 1546 struct pglist_data *pgdat) 1547 { 1548 int target_nid = next_demotion_node(pgdat->node_id); 1549 unsigned int nr_succeeded; 1550 int ret; 1551 1552 if (list_empty(demote_pages)) 1553 return 0; 1554 1555 if (target_nid == NUMA_NO_NODE) 1556 return 0; 1557 1558 /* Demotion ignores all cpuset and mempolicy settings */ 1559 ret = migrate_pages(demote_pages, alloc_demote_page, NULL, 1560 target_nid, MIGRATE_ASYNC, MR_DEMOTION, 1561 &nr_succeeded); 1562 1563 if (ret) > 1564 putback_movable_pages(&pagelist); 1565 1566 if (current_is_kswapd()) 1567 __count_vm_events(PGDEMOTE_KSWAPD, nr_succeeded); 1568 else 1569 __count_vm_events(PGDEMOTE_DIRECT, nr_succeeded); 1570 1571 return nr_succeeded; 1572 } 1573 -- 0-DAY CI Kernel Test Service https://01.org/lkp
