Hi Xiongchun, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.0-rc2 next-20190116] [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/Xiongchun-Duan/Memcgroup-force-empty-after-memcgroup-offline/20190122-014721 config: x86_64-randconfig-r0-01212129 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): mm/memcontrol.c: In function 'empty_timer_trigger': >> mm/memcontrol.c:4585:13: error: 'memcg_force_empty_wq' undeclared (first use in this function) queue_work(memcg_force_empty_wq, &timer_poll_work); ^~~~~~~~~~~~~~~~~~~~ mm/memcontrol.c:4585:13: note: each undeclared identifier is reported only once for each function it appears in mm/memcontrol.c: In function 'mem_cgroup_init': mm/memcontrol.c:6400:2: error: 'memcg_force_empty_wq' undeclared (first use in this function) memcg_force_empty_wq = alloc_workqueue("memcg_force_empty_wq", 0, 1); ^~~~~~~~~~~~~~~~~~~~ vim +/memcg_force_empty_wq +4585 mm/memcontrol.c 4582 4583 static void empty_timer_trigger(struct timer_list *t) 4584 { > 4585 queue_work(memcg_force_empty_wq, &timer_poll_work); 4586 } 4587 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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