Re: [PATCH RFC 1/4] mm: percpu: Generalize percpu related config
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- To: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
- Subject: Re: [PATCH RFC 1/4] mm: percpu: Generalize percpu related config
- From: Catalin Marinas <catalin.marinas@xxxxxxx>
- Date: Fri, 3 Dec 2021 18:54:38 +0000
- Cc: dennis@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, tj@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, cl@xxxxxxxxx, will@xxxxxxxxxx, tsbogend@xxxxxxxxxxxxxxxx, mpe@xxxxxxxxxxxxxx, benh@xxxxxxxxxxxxxxxxxxx, paulus@xxxxxxxxx, paul.walmsley@xxxxxxxxxx, palmer@xxxxxxxxxxx, aou@xxxxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, hpa@xxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx
- In-reply-to: <20211121093557.139034-2-wangkefeng.wang@huawei.com>
- References: <20211121093557.139034-1-wangkefeng.wang@huawei.com> <20211121093557.139034-2-wangkefeng.wang@huawei.com>
On Sun, Nov 21, 2021 at 05:35:54PM +0800, Kefeng Wang wrote:
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index c4207cf9bb17..4ff73299f8a9 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1135,6 +1135,10 @@ config NUMA
> select GENERIC_ARCH_NUMA
> select ACPI_NUMA if ACPI
> select OF_NUMA
> + select HAVE_SETUP_PER_CPU_AREA
> + select NEED_PER_CPU_EMBED_FIRST_CHUNK
> + select NEED_PER_CPU_PAGE_FIRST_CHUNK
> + select USE_PERCPU_NUMA_NODE_ID
> help
> Enable NUMA (Non-Uniform Memory Access) support.
>
> @@ -1151,22 +1155,6 @@ config NODES_SHIFT
> Specify the maximum number of NUMA Nodes available on the target
> system. Increases memory reserved to accommodate various tables.
>
> -config USE_PERCPU_NUMA_NODE_ID
> - def_bool y
> - depends on NUMA
> -
> -config HAVE_SETUP_PER_CPU_AREA
> - def_bool y
> - depends on NUMA
> -
> -config NEED_PER_CPU_EMBED_FIRST_CHUNK
> - def_bool y
> - depends on NUMA
> -
> -config NEED_PER_CPU_PAGE_FIRST_CHUNK
> - def_bool y
> - depends on NUMA
> -
> source "kernel/Kconfig.hz"
>
> config ARCH_SPARSEMEM_ENABLE
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
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