Re: [PATCH v2] mm: numa_memblks: introduce numa_add_reserved_memblk

Andrew Morton
2025-05-07T01:55:45Z

On Tue, 6 May 2025 14:22:45 +0800 Yuquan Wang <wangyuquan1236@phytium.com.cn> wrote:

> acpi_parse_cfmws() currently adds empty CFMWS ranges to numa_meminfo
> with the expectation that numa_cleanup_meminfo moves them to
> numa_reserved_meminfo. There is no need for that indirection when it is
> known in advance that these unpopulated ranges are meant for
> numa_reserved_meminfo in support of future hotplug / CXL provisioning.
>
> Introduce and use numa_add_reserved_memblk() to add the empty CFMWS
> ranges directly.
>
> Signed-off-by: Yuquan Wang <wangyuquan1236@phytium.com.cn>
> ---
>
> Changes in v2 (Thanks to Dan & Alison):
> - Use numa_add_reserved_memblk() to replace numa_add_memblk() in acpi_parse_cfmws()
> - Add comments to describe the usage of numa_add_reserved_memblk()
> - Updating the commit message to clarify the purpose of the patch
>
> By the way, "LoongArch: Introduce the numa_memblks conversion" is in linux-next.

So is this patch dependent upon "LoongArch: Introduce the numa_memblks
conversion"?