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AJvYcCUTbsk0WjSBL7sx7NcnxISFEKrae59m9HOZXLCqMiWj3/ldfwjdmB25LnQLaZHB7sHtqEhmBkwOIg==@kvack.org X-Gm-Message-State: AOJu0YymKyl1Vq32QLOsv3JYaQs7ThngsU+uc6tyhkvQTYoCwcDsD76X dVmWhAKVobU9VTcgr1RGYxaX2OF4smx69KTbiyf5SmX5lePhoHbwNywpWGB1kKbVh2WlTi0BK3J UrvIO76z9/yMnn2Y8gCtCGjCwt5c= X-Gm-Gg: ASbGnct3rjbcIn2frIyO8ePChLCsnJyNsBmuG1ekUIAsad1C7RY+ZrCAe32K1+uyQgv ghBXXeg73EXhDHLYTzp+dDXljdEjZKEgtOKXXbYCqUVL/m95xPI8UmCugXkLZgInTJQToMnsWlh agJyaJ7cWBHuNpB4b80oB4ijR0Y1Yv X-Google-Smtp-Source: AGHT+IE6pqda5eKDzRAyzpwontPmN7eYd0zcmoX6OYSqt3IrbDhFMaTFRiKg3Ru2dzaKD+7BQ6lfXTG07MedePcTXtg= X-Received: by 2002:a05:6214:1310:b0:6e1:a51d:e96f with SMTP id 6a1803df08f44-6e243bef7cemr117873546d6.8.1738258803328; Thu, 30 Jan 2025 09:40:03 -0800 (PST) MIME-Version: 1.0 References: <20250130100050.1868208-1-kirill.shutemov@linux.intel.com> <20250130100050.1868208-5-kirill.shutemov@linux.intel.com> In-Reply-To: <20250130100050.1868208-5-kirill.shutemov@linux.intel.com> From: Nhat Pham Date: Thu, 30 Jan 2025 09:39:52 -0800 X-Gm-Features: AWEUYZnhGHhGD14z9UZ4qeG3B1M4JKsk80YTUhLoPK-rRv81OyfD8wOiyVhXCtw Message-ID: Subject: Re: [PATCHv3 04/11] mm/zswap: Use PG_dropbehind instead of PG_reclaim To: "Kirill A. Shutemov" Cc: Andrew Morton , "Matthew Wilcox (Oracle)" , Jens Axboe , "Jason A. Donenfeld" , Andi Shyti , Chengming Zhou , Christian Brauner , Christophe Leroy , Dan Carpenter , David Airlie , David Hildenbrand , Hao Ge , Jani Nikula , Johannes Weiner , Joonas Lahtinen , Josef Bacik , Masami Hiramatsu , Mathieu Desnoyers , Miklos Szeredi , Oscar Salvador , Ran Xiaokai , Rodrigo Vivi , Simona Vetter , Steven Rostedt , Tvrtko Ursulin , Vlastimil Babka , Yosry Ahmed , Yu Zhao , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 2F0011A000D X-Stat-Signature: r6373k39bbxi4ua3fexcbh9mwcd14cpm X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1738258804-410062 X-HE-Meta: U2FsdGVkX1+rIKdM/GR9FoCEHIFube4xTMvb8C1N9UpxOHZH4kIaFmb33WCjAkKll+x/9rsrdD5jOFHRaHgUzVe1JBcHLXRmQ3t7aF0gFcOowjX7ypGVf3qfGXQodsU2fRehsLradBXahW9kLvKBW3AL7y+ZMgzJe7O89eS8LxuZa+j3N+uveDhjQKM5Owu7aSHLtiPBl3s267g2v4Vx5bR8a90bkSB2H/zgYbJfEkXKIXue777j2WQpb35Fbk2E3D49P1yhb+yTzfJJz8YKk4K6f9QZ6JHKYUEraCqWQdtK4I5KuSgQehFCdAf0i1UYdszIT6k3tvnw4Gdg3VJo4pULaZ0c2VvPGTepESL/z4gFzknsq0AectEu9xSrFYk+fKQBISzp/bo3P/C8bnd7NnGr/eomB34EZtN2OcA/TiKhvq8pRheFXuS4emA58O0iilqkrqncFNfYXg6kijRmQW6+oi5fpxfRgifK1yL1eKUDxyXZLt696JratvOnWVmu5ZzV55dCueazeTA7FxX5rMpwlyd4tOJ3Nc0HsiNKPU1msg1vXDoCglzdfjocpzmfiYhQQr3MHdyAlawbriCf0GBnXVC6yL+qPNv+IK/O3BH0yLb8wk2jGGadH5yovynHQ6HtTJK16PObd6FhmvyuSlqIjmhqhWW7xmfEwRtRc7vrOuI+69wpNHLY8OgJEH7sZE4ky3RKk6gxXOL4RqgtquKROwQsZkNa8sRNQnevS2+fJzdZqtObmO1KYc0J4RURMsJFhrJnj3Zks9CCobH43Bl0yO+MouhR1cvSqgXgncghoJ89aQ1ueu8aQ4llEMKU2mYQGH4ORKt3WAGpS+0jC3OCDqCGdh24rem8WfQE74BEyJTqfVwBWONYXN18rbqTsggYcwftc7brKhrm5JnRDA/qT88JBTip/ODJGXMAtSddAUWFvOaJmjAbv5Py5s3tzd7SqNrge/Th8Em6fzP npd7kDJ5 xdtnooKV0rOdwkVVfWvf5pDw8mxVLIgDRrSlpyELnMiiWYmZOE1J6UjOMYlpfV+tYhqEW8asxQTOt82rJwXtgTUZuer8LSO2nmx9bK2JCFH6A4lkb+OM78Jd1WutSOp8/Hzx9qGoBUuLWuvqZ771SS8anxUbuWsCBZR6+X1qITUZxr0xhrJusgIFFHNzGDYgvgoXq2D2b1hJrf5fip7WoxbTwhzfp6ft5E5DwoKpeu9Z5kjh8ZJIRdD81wRWIzsi3NkxtCfnu8TpZdzBMcGR48EUou33bnEzwf31M8IuSH87ZiPeIXd5ip5OVybOFE84gLBn9LyuqPlYYdN2zq9Fc0H7Y1sUaacAuxdgWky91Z81yNls1fh6PsTeyXbR5ZdjFU6cbNqYgdL08TOUVkr4r03Hn+VsQCPPr5PLe3hrPlIyakmMToCpAMuZn634UnvOHx7GxMIkshHn/JKk= 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 Thu, Jan 30, 2025 at 2:02=E2=80=AFAM Kirill A. Shutemov wrote: > > The recently introduced PG_dropbehind allows for freeing folios > immediately after writeback. Unlike PG_reclaim, it does not need vmscan > to be involved to get the folio freed. Neat! > > Instead of using folio_set_reclaim(), use folio_set_dropbehind() in > zswap_writeback_entry(). > > Signed-off-by: Kirill A. Shutemov > Acked-by: David Hildenbrand > Acked-by: Yosry Ahmed Acked-by: Nhat Pham