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Tue, 24 Mar 2026 06:19:41 -0700 (PDT) Received: from localhost ([212.73.77.104]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-487116939b8sm77926095e9.3.2026.03.24.06.19.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Mar 2026 06:19:40 -0700 (PDT) From: Askar Safin To: nphamcs@gmail.com Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, apopple@nvidia.com, axelrasmussen@google.com, baohua@kernel.org, baolin.wang@linux.alibaba.com, bhe@redhat.com, byungchul@sk.com, cgroups@vger.kernel.org, chengming.zhou@linux.dev, chrisl@kernel.org, corbet@lwn.net, david@kernel.org, dev.jain@arm.com, gourry@gourry.net, hannes@cmpxchg.org, hughd@google.com, jannh@google.com, joshua.hahnjy@gmail.com, kasong@tencent.com, kernel-team@meta.com, lance.yang@linux.dev, lenb@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-pm@vger.kernel.org, lorenzo.stoakes@oracle.com, matthew.brost@intel.com, mhocko@suse.com, muchun.song@linux.dev, npache@redhat.com, pavel@kernel.org, peterx@redhat.com, peterz@infradead.org, pfalcato@suse.de, rafael@kernel.org, rakie.kim@sk.com, riel@surriel.com, roman.gushchin@linux.dev, rppt@kernel.org, ryan.roberts@arm.com, shakeel.butt@linux.dev, shikemeng@huaweicloud.com, surenb@google.com, tglx@kernel.org, vbabka@suse.cz, weixugc@google.com, ying.huang@linux.alibaba.com, yosry.ahmed@linux.dev, yuanchu@google.com, zhengqi.arch@bytedance.com, ziy@nvidia.com, Kairui Song , Matthew Wilcox Subject: Re: [PATCH v5 00/21] Virtual Swap Space Date: Tue, 24 Mar 2026 16:19:31 +0300 Message-ID: <20260324131931.4004123-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260320192735.748051-1-nphamcs@gmail.com> References: <20260320192735.748051-1-nphamcs@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 917F8100014 X-Stat-Signature: q15qunekpt17p3mxcauw76jbwmjkoju3 X-HE-Tag: 1774358383-541534 X-HE-Meta: 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 Bx9oB9Om 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Nhat Pham : > We can even perform compressed writeback > (i.e writing these pages without decompressing them) (see [12]). > [12]: https://lore.kernel.org/linux-mm/ZeZSDLWwDed0CgT3@casper.infradead.org/ This is supported in zram. The support was added here: https://lore.kernel.org/all/20251201094754.4149975-1-senozhatsky@chromium.org/ . It is already in mainline. -- Askar Safin