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b=WmUCiRXBkctFQvFSzTPq0MFCg5YIRnMzG3Rsz/f1ycwn16YiIBKU+QEI8oCrjyGA4 7nM4Lb6g819sBGtS+LNVFO7kriE+a/aEErWtdKAVD43NPB1VIwCBCPEjxR3w9+KSxx rj9g8V6Lv9rzpORfbi+5K6I/2AwqR5zKnPWiRAokdEH1MhCPKe/2ccDVtex93VMUQ5 1wEmqFXdN6XsaeYdAjzON3YLOcP55uNgiSiCB8ZEaIOTWdvfUYSI4pC0+KzDiG87sc Vx+DUCOuZt219d3mYTT7+GsDEHK7VC9hJ43ogoRrVIZV2IIDTQ7uB3Na7gUA2WHM6j 0SCF+N7JbD0Sw== Message-ID: Date: Mon, 23 Mar 2026 09:57:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: update outdated comments for removed scan_swap_map_slots() To: Kexin Sun , akpm@linux-foundation.org, chrisl@kernel.org, kasong@tencent.com, shikemeng@huaweicloud.com, nphamcs@gmail.com, bhe@redhat.com, baohua@kernel.org, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, hannes@cmpxchg.org, mhocko@kernel.org, zhengqi.arch@bytedance.com, shakeel.butt@linux.dev, lorenzo.stoakes@oracle.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: julia.lawall@inria.fr, xutong.ma@inria.fr, yunbolyu@smu.edu.sg, ratnadiraw@smu.edu.sg References: <20260321105814.7053-1-kexinsun@smail.nju.edu.cn> 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: aw9zdoqxe1hppb8shu8ynp9ghebg9iwp X-Rspam-User: X-Rspamd-Queue-Id: 779291C0002 X-Rspamd-Server: rspam12 X-HE-Tag: 1774256258-881048 X-HE-Meta: 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 UzKtL7Dl 68C0PBZAQDGnvjQCZYqwhDwcZuWMyMf1OX5zWTE45YGqF8JPMupGmZ4CqlBcL6b8gDjpkgQ07E8184gijDTkw7NFWLZ3XfaoGNpCjeLiQV6MIUMc7Ek1d0wKlEw/IxgkXcDVxSFE/2yEFPr0f81sLV1prXq9QE1KZN7UFc4nGsAQSDaVQoZBk1aw6eUh2xgd+Sg+Qv1JwWLtzmnWvrR28bFcA3e3v78Jzc6JihpO2Z/m3QYy7RCNaOBgipzIgcFfEm3OSLMAyX8X+OLHgBoR+Xzo+q3+TWaJVL6nJeKrE8XIsMIFdO9CDwYtNLJn5YHKzM28cq6BYZln/fT8= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/21/26 11:58, Kexin Sun wrote: > The function scan_swap_map_slots() was removed in commit > 0ff67f990bd4 ("mm, swap: remove swap slot cache"). > > The three comments referencing it simply noted that ->flags can be > updated non-atomically by scan_swap_map_slots() to justify a > data_race() annotation. Since the function no longer exists, drop > the parenthetical reference while keeping the data_race() > justification intact: ->flags can still be updated non-atomically > by other paths (e.g., swapoff clearing SWP_WRITEOK). > > Assisted-by: unnamed:deepseek-v3.2 coccinelle > Signed-off-by: Kexin Sun > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David