linux-kernel - Re: [PATCH 4/4] mm/migrate, swap: drop usage of folio

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Message-ID: <35e79f7f-5197-44fe-93f6-f172a95e0906@linux.alibaba.com>
Date: Tue, 14 Oct 2025 11:15:49 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: Kairui Song <ryncsn@...il.com>, linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 Kemeng Shi <shikemeng@...weicloud.com>, Kairui Song <kasong@...cent.com>,
 Nhat Pham <nphamcs@...il.com>, Baoquan He <bhe@...hat.com>,
 Barry Song <baohua@...nel.org>, Chris Li <chrisl@...nel.org>,
 David Hildenbrand <david@...hat.com>,
 "Matthew Wilcox (Oracle)" <willy@...radead.org>,
 Ying Huang <ying.huang@...ux.alibaba.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] mm/migrate, swap: drop usage of folio_index



On 2025/10/7 04:02, Kairui Song wrote:
> From: Kairui Song <kasong@...cent.com>
> 
> This helper was used when swap cache was mixed with swap cache. Now they
> are completely separate from each other, access to the swap cache is all
> wrapped by the swap_cache_* helpers, which expect the folio's swap entry
> as a parameter.
> 
> This helper is no longer used, remove the last redundant user and drop it.
> 
> Signed-off-by: Kairui Song <kasong@...cent.com>
> ---

With the commit message fixed, LGTM.
Reviewed-by: Baolin Wang <baolin.wang@...ux.alibaba.com>