When support page mapping percpu first chunk allocator on arm64, we found there are lots of duplicated codes in percpu embed/page first chunk allocator. This patchset is aimed to cleanup them and should no funciton change, only test on arm64. Kefeng Wang (4): mm: percpu: Generalize percpu related config mm: percpu: Add pcpu_fc_cpu_to_node_fn_t typedef mm: percpu: Add generic pcpu_fc_alloc/free funciton mm: percpu: Add generic pcpu_populate_pte() function arch/arm64/Kconfig | 20 +---- arch/ia64/Kconfig | 9 +-- arch/mips/Kconfig | 10 +-- arch/mips/mm/init.c | 14 +--- arch/powerpc/Kconfig | 17 +--- arch/powerpc/kernel/setup_64.c | 92 +-------------------- arch/riscv/Kconfig | 10 +-- arch/sparc/Kconfig | 12 +-- arch/sparc/kernel/smp_64.c | 105 +----------------------- arch/x86/Kconfig | 17 +--- arch/x86/kernel/setup_percpu.c | 66 ++------------- drivers/base/arch_numa.c | 68 +--------------- include/linux/percpu.h | 13 +-- mm/Kconfig | 12 +++ mm/percpu.c | 143 +++++++++++++++++++++++++-------- 15 files changed, 165 insertions(+), 443 deletions(-) -- 2.26.2