From: Andrew Morton <akpm@linux-foundation.org>
To: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Cc: Jonathan.Cameron@huawei.com, dan.j.williams@intel.com,
rppt@kernel.org, rafael@kernel.org, lenb@kernel.org,
alison.schofield@intel.com, rrichter@amd.com,
bfaccini@nvidia.com, haibo1.xu@intel.com, david@redhat.com,
chenhuacai@kernel.org, linux-cxl@vger.kernel.org,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, chenbaozi@phytium.com.cn,
loongarch@lists.linux.dev
Subject: Re: [PATCH v3 1/1] mm: numa_memblks: introduce numa_add_reserved_memblk
Date: Thu, 8 May 2025 17:42:29 -0700 [thread overview]
Message-ID: <20250508174229.c310803222405c1b7d60e104@linux-foundation.org> (raw)
In-Reply-To: <20250508022719.3941335-1-wangyuquan1236@phytium.com.cn>
On Thu, 8 May 2025 10:27:19 +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.
>
> ...
>
> drivers/acpi/numa/srat.c | 2 +-
> include/linux/numa_memblks.h | 1 +
> mm/numa_memblks.c | 22 ++++++++++++++++++++++
I'm not sure which tree this best belongs to so I'll add it to mm-git.
If it later pops up in another tree, I'll drop it again.
next prev parent reply other threads:[~2025-05-09 0:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-08 2:27 Yuquan Wang
2025-05-08 4:09 ` Alison Schofield
2025-05-08 9:45 ` Jonathan Cameron
2025-05-09 0:42 ` Andrew Morton [this message]
2025-06-03 13:06 ` Guenter Roeck
2025-06-03 13:30 ` Xi Ruoyao
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