[PATCH RFC 0/4] mm: percpu: Cleanup percpu first chunk funciton

Kefeng Wang wangkefeng.wang at huawei.com
Mon Nov 29 13:51:18 AEDT 2021


Hi Dennis and all maintainers, any comments about the changes, many thanks.

On 2021/11/21 17:35, Kefeng Wang wrote:
> 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(-)
>


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