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Tue, 14 Jul 2026 01:15:24 -0700 (PDT) Received: from localhost.localdomain ([210.184.73.204]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-38e17443f4fsm1091008a91.11.2026.07.14.01.15.17 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 14 Jul 2026 01:15:24 -0700 (PDT) From: Hao Jia To: akpm@linux-foundation.org, tj@kernel.org, hannes@cmpxchg.org, shakeel.butt@linux.dev, mhocko@kernel.org, yosry@kernel.org, mkoutny@suse.com, nphamcs@gmail.com, chengming.zhou@linux.dev, muchun.song@linux.dev, roman.gushchin@linux.dev Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Hao Jia Subject: [PATCH 0/2] mm/zswap: Fixes and improves the zswap global shrinker Date: Tue, 14 Jul 2026 16:15:08 +0800 Message-Id: <20260714081510.16895-1-jiahao.kernel@gmail.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Hao Jia This is the first half of the patch series[1]. The remaining part, which covers proactive writeback, will be submitted later once the swap tiering design is finalized. This series fixes and improves the zswap global shrinker (shrink_worker()): Patch 1: Fix missing global shrinker when memory cgroup is disabled. Patch 2: Extend shrink_memcg() to support batch writeback and update its return value semantics, thereby improving the writeback efficiency in the shrink_worker() path. [1] https://lore.kernel.org/all/20260629112032.20423-1-jiahao.kernel@gmail.com Hao Jia (2): mm/zswap: Fix global shrinker when memory cgroup is disabled mm/zswap: Support batch writeback in shrink_memcg() mm/zswap.c | 100 +++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 75 insertions(+), 25 deletions(-) -- 2.34.1