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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 1/5] mm: hugetlb: add explicit page size to hugetlb_cma
Date: Thu, 22 Oct 2026 17:50:19 +0800	[thread overview]
Message-ID: <02D8D71D-CFE3-4EA4-BD73-F02191C7F92B@linux.dev> (raw)
In-Reply-To: <1fd7ad70d80ed0da82b90ad5d86de90499a49a54.1792651104.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>
> 
> Accept an optional @<page-size> suffix for hugetlb_cma. Initially accept
> only the architecture's existing CMA page size. Preserve the behavior of
> unsuffixed arguments and the existing hugepagesz/hugepages options.
> 
> Validate the suffix before applying the existing capacity, percentage and
> node-list parser.
> 
> Save the arguments during early parsing and process them at reservation
> time, after architecture-specific page-size information has been
> initialized.
> 
> Assisted-by: LLM
> Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
> Reviewed-by: Jose A. Perez de Azpillaga <azpijr@gmail.com>

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

Thanks.


  reply	other threads:[~2026-10-22  9:50 UTC|newest]

Thread overview: 17+ 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 [this message]
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
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

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