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b=vIaraepLvp5WKFqRGAKV8k6YIURNLUQfkUziQGcdACfTAzuAV+pQtYAh1OSJdIEPQ 8ktasQd7t0rjza0Rd4TP5xhFeHP7eIW6etdpy41Vkt4iiWba1Y7BoNCsijkb4Zwsx8 rP6+HHu2K/MvUQ+m+BbwTI/QF80Ol+0qYTbrBes9NujM9kL2M/2d5vAlJ7Pnf+o6h5 Zuh3egaitxsIDkcSF7iiPURrjBECU3a5kpwcsQ3kJ1/QGBUYdObWGzUTU9xq9xzLr7 ifsbh/y5S+MqZHfAl0QoogTFJW5zz63xcZsE//jBhHC1++s7pkq5IZQ7gnEo/rpZKJ Ge9+QPgqMJQsg== Received: by mail-yx1-f41.google.com with SMTP id 956f58d0204a3-6348447d5easo198575d50.0 for ; Thu, 25 Sep 2025 11:31:23 -0700 (PDT) X-Gm-Message-State: AOJu0YzRBvYd5gjlF3B8D8MphhcKNMM7vGS/JzoNKB3sbQeMT9p4/feg 5ZPugG7L0W4LlpmCQKukryg1txarhWGNsvIaqXdVpDeMADXIhs8DsYCukG8187ur1FpYkSJpmWL OimV9MNPa077yZCXE7fN5K6pkUTfSDoWXcWYXL6VTJQ== X-Google-Smtp-Source: AGHT+IHtGubmSQQB2mLy1bepjDW1/vKA5uZdChGoF2qDjIZL/0CmuvZ+5BrBJxim0LL1K/gQe7xIrwbjz6M61rx9m0s= X-Received: by 2002:a53:7212:0:b0:624:1660:ba01 with SMTP id 956f58d0204a3-6361a82db92mr2817347d50.37.1758825079500; Thu, 25 Sep 2025 11:31:19 -0700 (PDT) MIME-Version: 1.0 References: <20250924091746.146461-1-bhe@redhat.com> In-Reply-To: From: Chris Li Date: Thu, 25 Sep 2025 11:31:07 -0700 X-Gmail-Original-Message-ID: X-Gm-Features: AS18NWDjBR6NW54ts8KLw0-f5YiedWzcFxlWHwqk8BYd3RKA9BIFqxNx7Q8K1hU Message-ID: Subject: Re: [PATCH] mm/swapfile.c: select the swap device with default priority round robin To: Baoquan He Cc: linux-mm@kvack.org, akpm@linux-foundation.org, kasong@tencent.com, baohua@kernel.org, shikemeng@huaweicloud.com, nphamcs@gmail.com, YoungJun Park , Aaron Lu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: BAA4AC0016 X-Rspamd-Server: rspam05 X-Stat-Signature: cawaz4o9yioh9zn8cgs7kzqzsqaqyfkm X-Rspam-User: X-HE-Tag: 1758825084-510698 X-HE-Meta: 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 SoUwdBL5 AYshx5BKOLMOYlJMYz2Mj5VxyPdH05ZN40lLaYMRTO5DxwyiFPOXVqvfc7k9HNNLKh6lB44hJWTLRHxmmYsArW4dHdB88kKgT+RVBqvduo0UlKdmcgF6zouDwrfuVCxzFRGv+XB3xQYfgIkg1/lGi0Gs6yC4J9uZ7PRTPabVEXfUJPiBigQeNbWGUe1MUfo2iwboaM+F+ZDSC7pT3vN7U/bw7Ol4X6k9hOL5mnJwWAIu71VWPeW/ZeEtqTh8kjePq9WRIU9cxsTEERYmOX/vHWSWq3g6z/ezaYNFWeztPOzAMTz8owcYPoPlDGLovSlPuZlmkcB1UCKHG/n0= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Sep 24, 2025 at 7:15=E2=80=AFPM Baoquan He wrote: > > On 09/24/25 at 09:06am, Chris Li wrote: > > On Wed, Sep 24, 2025 at 8:54=E2=80=AFAM Chris Li wr= ote: > > > > BTW, I noticed you did not CC Aaron Lu who introduced a2468cc9bfdf. I > > CC him here and give him a chance to test it in his environment to > > defend his patch. Please CC him on the next version if his email does > > not bounce. > > Sure, definitely we should CC Aaron. Thanks a lot for noticing. Hi Aaron, If you are reading this, please let us know. e.g. If you need some extra time to test it in your setup, that is totally understandable. The patch might make sense back then. The new swap allocator completely changed a lot of swap allocation behavior, so it is possible the situation changed, we don't need to carry it any more. Thanks Chris