Hi Gu, [auto build test ERROR on tip/x86/core] [also build test ERROR on v4.5-rc6 next-20160302] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Zhu-Guihua/Make-cpuid-nodeid-mapping-persistent/20160303-094713 config: ia64-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All errors (new ones prefixed by >>): >> arch/ia64/kernel/acpi.c:799:5: error: conflicting types for 'acpi_map_cpu2node' int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) ^ In file included from arch/ia64/kernel/acpi.c:43:0: include/linux/acpi.h:268:6: note: previous declaration of 'acpi_map_cpu2node' was here void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid); ^ vim +/acpi_map_cpu2node +799 arch/ia64/kernel/acpi.c 793 } 794 795 /* 796 * ACPI based hotplug CPU support 797 */ 798 #ifdef CONFIG_ACPI_HOTPLUG_CPU > 799 int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) 800 { 801 #ifdef CONFIG_ACPI_NUMA 802 /* --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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