Hi Gregory, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on deller-parisc/for-next powerpc/next powerpc/fixes s390/features jcmvbkbc-xtensa/xtensa-for-next arnd-asm-generic/master linus/master v6.7-rc5] [cannot apply to geert-m68k/for-next geert-m68k/for-linus tip/x86/asm next-20231214] [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/Gregory-Price/mm-mempolicy-implement-the-sysfs-based-weighted_interleave-interface/20231214-064236 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20231213224118.1949-9-gregory.price%40memverge.com patch subject: [PATCH v3 08/11] mm/mempolicy: add set_mempolicy2 syscall config: um-randconfig-002-20231214 (https://download.01.org/0day-ci/archive/20231215/202312150311.RPwbE1sK-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312150311.RPwbE1sK-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312150311.RPwbE1sK-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): /usr/bin/ld: arch/um/drivers/pcap.o: in function `dbus_write': pcap-dbus.o:(.text+0x2432f): undefined reference to `dbus_message_demarshal' /usr/bin/ld: pcap-dbus.o:(.text+0x24345): undefined reference to `dbus_connection_send' /usr/bin/ld: pcap-dbus.o:(.text+0x2434e): undefined reference to `dbus_connection_flush' /usr/bin/ld: pcap-dbus.o:(.text+0x24356): undefined reference to `dbus_message_unref' /usr/bin/ld: pcap-dbus.o:(.text+0x243a4): undefined reference to `dbus_error_free' /usr/bin/ld: arch/um/drivers/pcap.o: in function `dbus_read': pcap-dbus.o:(.text+0x243f0): undefined reference to `dbus_connection_pop_message' /usr/bin/ld: pcap-dbus.o:(.text+0x24412): undefined reference to `dbus_connection_pop_message' /usr/bin/ld: pcap-dbus.o:(.text+0x24428): undefined reference to `dbus_connection_read_write' /usr/bin/ld: pcap-dbus.o:(.text+0x24492): undefined reference to `dbus_message_is_signal' /usr/bin/ld: pcap-dbus.o:(.text+0x244ae): undefined reference to `dbus_message_marshal' /usr/bin/ld: pcap-dbus.o:(.text+0x24516): undefined reference to `dbus_free' /usr/bin/ld: arch/um/drivers/pcap.o: in function `dbus_cleanup': pcap-dbus.o:(.text+0x2457c): undefined reference to `dbus_connection_unref' /usr/bin/ld: arch/um/drivers/pcap.o: in function `dbus_activate': pcap-dbus.o:(.text+0x24626): undefined reference to `dbus_connection_open' /usr/bin/ld: pcap-dbus.o:(.text+0x2463e): undefined reference to `dbus_bus_register' /usr/bin/ld: pcap-dbus.o:(.text+0x2472c): undefined reference to `dbus_bus_add_match' /usr/bin/ld: pcap-dbus.o:(.text+0x24734): undefined reference to `dbus_error_is_set' /usr/bin/ld: pcap-dbus.o:(.text+0x2477b): undefined reference to `dbus_bus_get' /usr/bin/ld: pcap-dbus.o:(.text+0x247ac): undefined reference to `dbus_error_free' /usr/bin/ld: pcap-dbus.o:(.text+0x247bd): undefined reference to `dbus_bus_add_match' /usr/bin/ld: pcap-dbus.o:(.text+0x247c5): undefined reference to `dbus_error_is_set' /usr/bin/ld: pcap-dbus.o:(.text+0x247fe): undefined reference to `dbus_error_free' /usr/bin/ld: pcap-dbus.o:(.text+0x2480a): undefined reference to `dbus_connection_unref' /usr/bin/ld: pcap-dbus.o:(.text+0x24836): undefined reference to `dbus_bus_get' /usr/bin/ld: pcap-dbus.o:(.text+0x24872): undefined reference to `dbus_error_free' /usr/bin/ld: pcap-dbus.o:(.text+0x24885): undefined reference to `dbus_connection_set_max_received_size' /usr/bin/ld: pcap-dbus.o:(.text+0x24896): undefined reference to `dbus_connection_unref' /usr/bin/ld: pcap-dbus.o:(.text+0x2490c): undefined reference to `dbus_error_free' /usr/bin/ld: pcap-dbus.o:(.text+0x2494a): undefined reference to `dbus_error_free' >> /usr/bin/ld: arch/x86/um/sys_call_table_64.o:(.rodata+0xe48): undefined reference to `sys_set_mempolicy2' collect2: error: ld returned 1 exit status -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki