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Subject: Re: [PATCH] mm/hugetlb_vmemmap: update outdated comment
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From: Muchun Song <muchun.song@linux.dev>
In-Reply-To: <20260224022840.1936-1-kexinsun@smail.nju.edu.cn>
Date: Tue, 24 Feb 2026 13:03:23 +0800
Cc: osalvador@suse.de,
 david@kernel.org,
 akpm@linux-foundation.org,
 linux-mm@kvack.org,
 linux-kernel@vger.kernel.org,
 julia.lawall@inria.fr,
 xutong.ma@inria.fr,
 yunbolyu@smu.edu.sg,
 ratnadiraw@smu.edu.sg
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References: <20260224022840.1936-1-kexinsun@smail.nju.edu.cn>
To: kexinsun <kexinsun@smail.nju.edu.cn>
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> On Feb 24, 2026, at 10:28, kexinsun <kexinsun@smail.nju.edu.cn> wrote:
> 
> The function vmemmap_pte_range() was refactored into vmemmap_pte_entry()
> by commit fb93ed63345f ("mm: hugetlb_vmemmap: use walk_page_range_novma()
> to simplify the code"). Both functions share the key behavior that the
> reuse page is identified first before remapping begins. Update the
> comment accordingly.
> 
> Signed-off-by: kexinsun <kexinsun@smail.nju.edu.cn>

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

Thanks.