From: Johannes Weiner <hannes@cmpxchg.org>
To: Jianyue Wu <wujianyue000@gmail.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org, david@kernel.org,
mhocko@suse.com, zhengqi.arch@bytedance.com,
shakeel.butt@linux.dev, lorenzo.stoakes@oracle.com,
chrisl@kernel.org, kasong@tencent.com, shikemeng@huaweicloud.com,
nphamcs@gmail.com, baohua@kernel.org, bhe@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: move folio LRU helpers out of swap
Date: Tue, 7 Apr 2026 10:22:03 -0400 [thread overview]
Message-ID: <adUTC-7iyOAUlhR7@cmpxchg.org> (raw)
In-Reply-To: <20260407110002.204755-1-wujianyue000@gmail.com>
On Tue, Apr 07, 2026 at 07:00:02PM +0800, Jianyue Wu wrote:
> All allocated folios are added into lru lists for later reclaim whether
> they are file or anonymous folios. However those folio lru operation codes
> are put in mm/swap.c which is not so appropriate. Because swap code is
> only for anonymous folios.
Ironically, the only thing that doesn't fit in this file is the swap
stuff. The page_cluster & sysctl should be static in swap_state.c.
The rest seems thematically relatively clean - infrastructure for
managing folio lifetime. swap.c is not the best name for it, but short
of finding a very clear improvement I'd just leave it alone.
prev parent reply other threads:[~2026-04-07 14:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-07 11:00 [PATCH] mm: move folio LRU helpers out of swap Jianyue Wu
2026-04-07 11:20 ` Michal Hocko
2026-04-07 12:31 ` Jianyue Wu
2026-04-07 12:46 ` Michal Hocko
2026-04-07 11:42 ` David Hildenbrand (Arm)
2026-04-07 12:33 ` Jianyue Wu
2026-04-07 13:40 ` Matthew Wilcox
2026-04-07 14:22 ` Johannes Weiner [this message]
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