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Wed, 20 Aug 2025 10:33:03 -0700 (PDT) MIME-Version: 1.0 References: <20250819193404.46680-1-sj@kernel.org> In-Reply-To: From: Nhat Pham Date: Wed, 20 Aug 2025 10:32:51 -0700 X-Gm-Features: Ac12FXwLFWidn2lw5_reaDVdpK_8xLH_KQmd5o4JTROLVpqWQ-9XKmGxaOyFOcM Message-ID: Subject: Re: [PATCH v4] mm/zswap: store Cc: Barry Song <21cnbao@gmail.com>, SeongJae Park , Andrew Morton , Chengming Zhou , Johannes Weiner , Yosry Ahmed , kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Takero Funaki , David Hildenbrand , Baoquan He , Chris Li , Kairui Song Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: qchofywdtg3b8poneb6kz4qz5zwbh4ht X-Rspam-User: X-Rspamd-Queue-Id: 6C3D7180009 X-Rspamd-Server: rspam01 X-HE-Tag: 1755711184-498717 X-HE-Meta: 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 Xv7m3JAP ltu6HCcdhUEBWQjzVbzkbEicm12oAgriUDPiStTZq4Ni+3wjEKbk08eh0RCj6s/hLU2mcN2kWyBfs9+LzM3QXjYRZuYyztRpXCIPsVH+H2qSKnCavLoCZtDGzeCbXO194+twPGeIvqm3quiL6FyvfLSwaBsyAwNZhvXfu0K4anc6tKVjCZuvTLbOUR3nKb3Ehz+W8gxyKXi2Ws2ts9kY+2dQnV7nWblICw2bylGiMv2cs/lJILDXpxrFxien5xWu0cxbjleXCSBgH6IO0hKU8PJbONW9Seya0C8tfSu9BfClm8dngBldEcOg6gIHh9aBkhCETcHURjZZ4bUKkpodOlraF4nmTOR7RD98UIKHg3RzwO5mP/8CMxLKkzUZfmzmSPX4sCtSo2YelCNK2UgjW+x6T8ff5C0aORxHwPZdk9wLapl9LLDZbGxP74IhfzBvY1vIkrWy01kTJIfwJ/iXUWlasK7lJmdyuyLfL 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 Tue, Aug 19, 2025 at 6:37=E2=80=AFPM Herbert Xu wrote: > > On Wed, Aug 20, 2025 at 01:34:01PM +1200, Barry Song wrote: > > > > We might want to revisit the old thread to check whether it is now safe= for us > > to move to PAGE_SIZE in zswap now. > > It's perfectly safe as LZO was fixed months ago. Perfect. Then I'll revive Chengming's patch (see [1]) to reduce the compression buffer :) [1]: https://lore.kernel.org/linux-mm/20231213-zswap-dstmem-v4-1-f228b059dd= 89@bytedance.com/ > > Cheers, > -- > Email: Herbert Xu > Home Page: http://gondor.apana.org.au/~herbert/ > PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt