linux-kernel - Re: [PATCH v5 02/12] introduce khugepaged_collapse_single_pmd to unify khugepaged and madvise

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Message-ID: <1df9f019-632f-4497-8320-e34ba66c1b62@linux.alibaba.com>
Date: Wed, 30 Apr 2025 15:56:48 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: Nico Pache <npache@...hat.com>, linux-mm@...ck.org,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org
Cc: akpm@...ux-foundation.org, corbet@....net, rostedt@...dmis.org,
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 rdunlap@...radead.org, lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com
Subject: Re: [PATCH v5 02/12] introduce khugepaged_collapse_single_pmd to
 unify khugepaged and madvise_collapse



On 2025/4/29 02:12, Nico Pache wrote:
> The khugepaged daemon and madvise_collapse have two different
> implementations that do almost the same thing.
> 
> Create khugepaged_collapse_single_pmd to increase code
> reuse and create an entry point for future khugepaged changes.
> 
> Refactor madvise_collapse and khugepaged_scan_mm_slot to use
> the new khugepaged_collapse_single_pmd function.
> 
> Signed-off-by: Nico Pache <npache@...hat.com>

LGTM.
Reviewed-by: Baolin Wang <baolin.wang@...ux.alibaba.com>