Hi Nikolay, [auto build test ERROR on linus/master] [also build test ERROR on v4.12-rc6 next-20170620] [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/Nikolay-Borisov/percpu_counter-Rename-__percpu_counter_add-to-percpu_counter_add_batch/20170621-045738 config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=alpha All errors (new ones prefixed by >>): fs/fs-writeback.c: In function 'inode_switch_wbs_work_fn': >> fs/fs-writeback.c:383:4: error: implicit declaration of function >> '__dec_wb_stat' [-Werror=implicit-function-declaration] __dec_wb_stat(old_wb, WB_RECLAIMABLE); ^~~~~~~~~~~~~ >> fs/fs-writeback.c:384:4: error: implicit declaration of function >> '__inc_wb_stat' [-Werror=implicit-function-declaration] __inc_wb_stat(new_wb, WB_RECLAIMABLE); ^~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/__dec_wb_stat +383 fs/fs-writeback.c d10c8095 Tejun Heo 2015-05-28 377 */ d10c8095 Tejun Heo 2015-05-28 378 radix_tree_for_each_tagged(slot, &mapping->page_tree, &iter, 0, d10c8095 Tejun Heo 2015-05-28 379 PAGECACHE_TAG_DIRTY) { d10c8095 Tejun Heo 2015-05-28 380 struct page *page = radix_tree_deref_slot_protected(slot, d10c8095 Tejun Heo 2015-05-28 381 &mapping->tree_lock); d10c8095 Tejun Heo 2015-05-28 382 if (likely(page) && PageDirty(page)) { d10c8095 Tejun Heo 2015-05-28 @383 __dec_wb_stat(old_wb, WB_RECLAIMABLE); d10c8095 Tejun Heo 2015-05-28 @384 __inc_wb_stat(new_wb, WB_RECLAIMABLE); d10c8095 Tejun Heo 2015-05-28 385 } d10c8095 Tejun Heo 2015-05-28 386 } d10c8095 Tejun Heo 2015-05-28 387 :::::: The code at line 383 was first introduced by commit :::::: d10c809552659d8a0089062b9d73da6d47e84cbf writeback: implement foreign cgroup inode bdi_writeback switching :::::: TO: Tejun Heo <t...@kernel.org> :::::: CC: Jens Axboe <ax...@fb.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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