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From: Muchun Song <muchun.song@linux.dev>
To: Li Zhe <lizhe.67@bytedance.com>
Cc: akpm@linux-foundation.org, apopple@nvidia.com,
	balbirs@nvidia.com, David Hildenbrand <david@kernel.org>,
	osalvador@suse.de, Mike Rapoport <rppt@kernel.org>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v2 1/2] mm/mm_init: factor out memmap_init_page_from_template()
Date: Wed, 11 Nov 2026 15:58:57 +0800	[thread overview]
Message-ID: <27BD7A3D-0730-4677-AF65-7CF0D9207A86@linux.dev> (raw)
In-Reply-To: <20261110114859.76343-2-lizhe.67@bytedance.com>



> On Nov 10, 2026, at 19:48, Li Zhe <lizhe.67@bytedance.com> wrote:
> 
> ZONE_DEVICE memmap initialization already uses a reusable struct page
> template when initializing compound tail pages.  The template mostly
> contains invariant state, but a few fields still depend on the target PFN
> and must be refreshed before copying the template into each destination
> struct page.
> 
> Factor that operation into memmap_init_page_from_template() so other
> boot-time memmap initialization paths can reuse the same helper.
> 
> No functional change intended.
> 
> Signed-off-by: Li Zhe <lizhe.67@bytedance.com>

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

Thanks.



  reply	other threads:[~2026-11-11  7:59 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-10 11:48 [PATCH v2 0/2] mm: optimize HugeTLB bootmem hugepage init Li Zhe
2026-11-10 11:48 ` [PATCH v2 1/2] mm/mm_init: factor out memmap_init_page_from_template() Li Zhe
2026-11-11  7:58   ` Muchun Song [this message]
2026-11-10 11:48 ` [PATCH v2 2/2] mm/hugetlb: optimize bootmem hugepage tail vmemmap init Li Zhe
2026-11-10 13:35   ` sashiko-bot
2026-11-11  3:14     ` Li Zhe
2026-11-11  5:28       ` Muchun Song
2026-11-11  7:57         ` Li Zhe
2026-11-11  8:16         ` Mike Rapoport
2026-11-11  8:21           ` Muchun Song
2026-11-11  8:14       ` Mike Rapoport
2026-11-11  8:12 ` [PATCH v2 0/2] mm: optimize HugeTLB bootmem hugepage init Mike Rapoport
2026-11-11 11:24   ` Li Zhe
2026-11-11 11:37     ` Muchun Song

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