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Date: Sun, 28 Jun 2026 14:03:22 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Jianyue Wu <wujianyue000@gmail.com>
Cc: Chris Li <chrisl@kernel.org>, Kairui Song <kasong@tencent.com>, Kemeng
 Shi <shikemeng@huaweicloud.com>, Nhat Pham <nphamcs@gmail.com>, Baoquan He
 <bhe@redhat.com>, Barry Song <baohua@kernel.org>, Youngjun Park
 <youngjun.park@lge.com>, Qi Zheng <qi.zheng@linux.dev>, Shakeel Butt
 <shakeel.butt@linux.dev>, Axel Rasmussen <axelrasmussen@google.com>,
 Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>, Johannes
 Weiner <hannes@cmpxchg.org>, David Hildenbrand <david@kernel.org>, Michal
 Hocko <mhocko@kernel.org>, Lorenzo Stoakes <ljs@kernel.org>,
 "Liam R. Howlett" <liam@infradead.org>, Vlastimil Babka
 <vbabka@kernel.org>, Mike Rapoport <rppt@kernel.org>, Suren Baghdasaryan
 <surenb@google.com>, Michal Hocko <mhocko@suse.com>, Hugh Dickins
 <hughd@google.com>, Baolin Wang <baolin.wang@linux.alibaba.com>, Jonathan
 Corbet <corbet@lwn.net>, Shuah Khan <skhan@linuxfoundation.org>,
 linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v4 0/3] mm: clean up folio LRU and swap declarations
Message-Id: <20260628140322.c3ce1a7428d6c6d021069e7d@linux-foundation.org>
In-Reply-To: <20260603-ch-swap-series-plus-folio-lru-cleanup-v4-0-ce0219e100d9@gmail.com>
References: <20260603-ch-swap-series-plus-folio-lru-cleanup-v4-0-ce0219e100d9@gmail.com>
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On Wed, 03 Jun 2026 21:05:31 +0800 Jianyue Wu <wujianyue000@gmail.com> wrote:

> The previous version moved the folio LRU helpers out of mm/swap.c in
> one step. Based on review feedback from Johannes, Baoquan and Barry,
> split the cleanup into smaller steps:
> 
>   - move the page-cluster sysctl next to swap readahead in mm/swap_state.c
>   - rename mm/swap.c to mm/folio_lru.c after the swap-specific bits move out
>   - move MM-internal reclaim declarations out of include/linux/swap.h
> 
> After this series, swap cache and swap-in readahead stay in mm/swap_state.c,
> folio LRU helpers live in mm/folio_lru.c, and MM-internal reclaim/workingset
> declarations move from include/linux/swap.h to mm/internal.h (public LRU
> helpers used outside mm/ remain in swap.h).
> 
> The first patch handles the swap-specific page-cluster state before the
> file rename, so the rename commit only carries folio LRU code. The last
> patch keeps the LRU helpers used outside mm/ in include/linux/swap.h and
> moves the internal reclaim/workingset declarations to mm/internal.h.
> 
> This series is based on Christoph Hellwig's swap_ops series, which
> moves swap I/O dispatch behind swap_ops and leaves mm/swap.c with less
> swap-specific state. That makes the folio LRU cleanup more natural to
> split out on top.

Patchset looks good and is well-reviewed (thanks, all).

But it's a little old and Sashiko was unable to apply it and I'm seeing
at least one (probably trivial) reject.

So please can you refresh, retest, gather the ack/review tags and
resend?

Thanks.