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Tue, 24 Mar 2026 05:46:52 -0700 (PDT) Received: from localhost ([212.73.77.104]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-487116ee514sm58753725e9.13.2026.03.24.05.46.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Mar 2026 05:46:52 -0700 (PDT) From: Askar Safin To: bhe@redhat.com Cc: 21cnbao@gmail.com, chrisl@kernel.org, kasong@tencent.com, linux-mm@kvack.org, lsf-pc@lists.linux-foundation.org, youngjun.park@lge.com, Nhat Pham , Kairui Song Subject: Re: [LSF/MM/BPF TOPIC] swap_ops and plugable swap back end Date: Tue, 24 Mar 2026 15:46:45 +0300 Message-ID: <20260324124645.3944104-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: F3F281C000A X-Stat-Signature: it4jq6ch745w4atq5pfp796qn1k5jpsy X-Rspamd-Server: rspam06 X-HE-Tag: 1774356414-426514 X-HE-Meta: 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 JAYvaeCI 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Baoquan He : > How to handle storing compressed data. e.g. data from zram directly > write to the swap backend without uncompressing. This is already implemented here: https://lore.kernel.org/all/20251201094754.4149975-1-senozhatsky@chromium.org/ . The patch is already in mainline. -- Askar Safin