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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775562136; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=eWSfMZZ2mq5NHJFR9kwlE1HQycLiQzLVB5zF0QuKNRU=; b=hKrMvfRAv1fldWTYcR+WL4EuIih1o2T3SnDGLoOPmWWZGW/eMq/COIvb9410SS9sm6qHE1 84JzRyBFrXWzKbmZ56ABQgVscPUs/nYnvAl43YiUC90oT+2iph/0E1lqIwLM3WvRlT4Hju K11fg2E9nz5jVwmQ7QlFKZyLlxBAnrw= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id A48AB600CB; Tue, 7 Apr 2026 11:42:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B25B0C116C6; Tue, 7 Apr 2026 11:42:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775562135; bh=AR+VMqSSM5WuvHPX6zmm9iaLqtYTmZRdArl7vKOwkxc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=u5HHGkDyswa7sP59u56IbFkqhUN5c7AtP8gciG4cxDLo2GZ3Jan+cHYl5gUQIeesl 1yalXRCpOzubw8S6IWIB8tvjV9dx5tr7tSlcVkIUv+TE/eyVXufLGUXm88Azv6M5Vj wekQe5irJukKP/2yrUkSlt/YFKEYgajgDHimd2UfHzbg2driGRI94Rqyu4Ke7o7KEv GUpZAOHCEODRnlpOUzAFYcbTno6IDEl+U6P4aeOyeEHgMZvDabDNZI2R8IcG6uR6kk RnR9kfYa/su9cmNnuq1d7NwVYMAGaBcPMMgBPm/bsDTycyM2GpU3qmEI5usB84KELC ntcebcZfVyL+Q== Message-ID: <83bca4c7-ab12-4788-ac91-5ae1736b031e@kernel.org> Date: Tue, 7 Apr 2026 13:42:09 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: move folio LRU helpers out of swap To: Jianyue Wu , linux-mm@kvack.org Cc: akpm@linux-foundation.org, hannes@cmpxchg.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 References: <20260407110002.204755-1-wujianyue000@gmail.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: 165xydt391wqaqd3wx4pxs958smjk344 X-Rspamd-Queue-Id: 46D3B18000E X-Rspam-User: X-Rspamd-Server: rspam03 X-HE-Tag: 1775562136-848875 X-HE-Meta: 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 9/zsA0Gq TvVKfVlIHoteo7fzcT+GzfUAzvfu6BFW/Ab0YuB47wlSBV22qCmsg7tWvCWAekb+lxZcZxsP5cQjP5YrvwRyh9PzaY9RSlXG2NNaDDQwijRs6EJwcJ6PYZgaQHs3vJH/tC1gPBoJUIqSQQ38s95SgvMynTz9tjeXb5qmM6pOM53GXZtCIVYcleL4mT9i2ZF/2FIgicfKNxviw/U8JFOGbGf7UyzesKNx8Gec3 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/7/26 13:00, 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. A note that shmem also uses swap. -- Cheers, David