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From: Muchun Song <muchun.song@linux.dev>
To: Qi Zheng <qi.zheng@linux.dev>
Cc: david@kernel.org, osalvador@suse.de, akpm@linux-foundation.org,
	azpijr@gmail.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	Qi Zheng <zhengqi.arch@bytedance.com>
Subject: Re: [PATCH v2 2/5] mm: hugetlb: group CMA pool and reservation state
Date: Thu, 22 Oct 2026 17:57:16 +0800	[thread overview]
Message-ID: <C1CB437F-A2C4-4804-87C6-325C6FFD87EF@linux.dev> (raw)
In-Reply-To: <ff8e96b68fc725981bdcd65c1c6e3cff2c0798a4.1792651104.git.zhengqi.arch@bytedance.com>



> On Oct 22, 2026, at 15:31, Qi Zheng <qi.zheng@linux.dev> wrote:
> 
> From: Qi Zheng <zhengqi.arch@bytedance.com>
> 
> The HugeTLB CMA areas, total size, per-node sizes and percentages are
> stored in separate singleton variables. Group the runtime areas and
> size into a pool, and the temporary reservation inputs into a separate
> configuration structure.
> 
> Keep one instance of each structure and preserve the existing parsing,
> reservation and allocation behavior. This separates the mechanical state
> conversion from adding support for multiple page orders.
> 
> Assisted-by: LLM
> Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
> Reviewed-by: Jose A. Perez de Azpillaga <azpijr@gmail.com>

Acked-by: Muchun Song <muchun.song@linux.dev>

THanks.



  reply	other threads:[~2026-10-22  9:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-22  7:31 [PATCH v2 0/5] mm: hugetlb: add CMA support for PMD-sized pages Qi Zheng
2026-10-22  7:31 ` [PATCH v2 1/5] mm: hugetlb: add explicit page size to hugetlb_cma Qi Zheng
2026-10-22  9:50   ` Muchun Song
2026-10-22  7:31 ` [PATCH v2 2/5] mm: hugetlb: group CMA pool and reservation state Qi Zheng
2026-10-22  9:57   ` Muchun Song [this message]
2026-10-22  7:31 ` [PATCH v2 3/5] mm: hugetlb: track CMA reservations by pool Qi Zheng
2026-10-22  8:38   ` Jose A. Perez de Azpillaga
2026-10-22 11:21   ` Muchun Song
2026-10-23  6:35     ` Qi Zheng
2026-10-23  6:37       ` Muchun Song
2026-10-22  7:31 ` [PATCH v2 4/5] mm: hugetlb: avoid recursive CMA allocation during migration Qi Zheng
2026-10-22  8:51   ` Jose A. Perez de Azpillaga
2026-10-23  7:02   ` Muchun Song
2026-10-23  7:21     ` Qi Zheng
2026-10-22  7:31 ` [PATCH v2 5/5] mm: hugetlb: enable CMA allocation for PMD-sized pages Qi Zheng
2026-10-22  9:05   ` Jose A. Perez de Azpillaga
2026-10-22  9:38     ` Qi Zheng
2026-10-22  9:13   ` sashiko-bot

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