Hi Yafang, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3-rc4 next-20190816] [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/Yafang-Shao/mm-memcg-skip-killing-processes-under-memcg-protection-at-first-scan/20190818-205854 config: i386-randconfig-f004-201933 (attached as .config) compiler: gcc-7 (Debian 7.4.0-10) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: net/appletalk/ddp.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/appletalk/aarp.o:include/linux/memcontrol.h:819: first defined here ld: net/appletalk/atalk_proc.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/appletalk/aarp.o:include/linux/memcontrol.h:819: first defined here ld: net/appletalk/sysctl_net_atalk.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/appletalk/aarp.o:include/linux/memcontrol.h:819: first defined here -- ld: fs/dlm/lowcomms.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; fs/dlm/config.o:include/linux/memcontrol.h:819: first defined here -- ld: drivers/connector/connector.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/connector/cn_queue.o:include/linux/memcontrol.h:819: first defined here -- ld: net/netfilter/nft_chain_filter.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_tables_api.o:include/linux/memcontrol.h:819: first defined here ld: net/netfilter/nft_payload.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_tables_api.o:include/linux/memcontrol.h:819: first defined here ld: net/netfilter/nft_meta.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_tables_api.o:include/linux/memcontrol.h:819: first defined here ld: net/netfilter/nft_rt.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_tables_api.o:include/linux/memcontrol.h:819: first defined here ld: net/netfilter/nft_exthdr.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_tables_api.o:include/linux/memcontrol.h:819: first defined here ld: net/netfilter/nft_chain_route.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_tables_api.o:include/linux/memcontrol.h:819: first defined here -- ld: net/netfilter/nf_flow_table_ip.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/netfilter/nf_flow_table_core.o:include/linux/memcontrol.h:819: first defined here -- ld: net/openvswitch/datapath.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/dp_notify.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/flow.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/flow_netlink.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/flow_table.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/meter.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/vport.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/vport-internal_dev.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/vport-netdev.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here ld: net/openvswitch/conntrack.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; net/openvswitch/actions.o:include/linux/memcontrol.h:819: first defined here -- ld: drivers/mfd/cs47l15-tables.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/mfd/madera-core.o:include/linux/memcontrol.h:819: first defined here ld: drivers/mfd/cs47l92-tables.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/mfd/madera-core.o:include/linux/memcontrol.h:819: first defined here -- ld: drivers/net/wireless/ath/regd.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/hw.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/key.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/dfs_pattern_detector.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/dfs_pri_detector.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/debug.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/trace.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/main.o:include/linux/memcontrol.h:819: first defined here -- ld: drivers/net/wireless/ath/wcn36xx/dxe.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/wcn36xx/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/wcn36xx/txrx.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/wcn36xx/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/wcn36xx/smd.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/wcn36xx/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/wcn36xx/pmc.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/wcn36xx/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/wcn36xx/debug.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/wcn36xx/main.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/ath/wcn36xx/testmode.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/ath/wcn36xx/main.o:include/linux/memcontrol.h:819: first defined here -- ld: drivers/net/wireless/intersil/p54/fwio.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/intersil/p54/eeprom.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/intersil/p54/txrx.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/intersil/p54/eeprom.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/intersil/p54/main.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/intersil/p54/eeprom.o:include/linux/memcontrol.h:819: first defined here ld: drivers/net/wireless/intersil/p54/led.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/intersil/p54/eeprom.o:include/linux/memcontrol.h:819: first defined here -- ld: drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.o: in function `task_under_memcg_protection': >> include/linux/memcontrol.h:819: multiple definition of `task_under_memcg_protection'; drivers/net/wireless/mediatek/mt76/mt76x0/usb.o:include/linux/memcontrol.h:819: first defined here .. vim +819 include/linux/memcontrol.h 817 818 int task_under_memcg_protection(struct task_struct *p) > 819 { 820 return 0; 821 } 822 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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