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Tue, 28 Jan 2025 03:10:16 -0800 (PST) Received: from google.com ([2401:fa00:8f:203:b323:d70b:a1b8:1683]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f7ffa5a975sm9956885a91.15.2025.01.28.03.10.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jan 2025 03:10:16 -0800 (PST) Date: Tue, 28 Jan 2025 20:10:10 +0900 From: Sergey Senozhatsky To: Yosry Ahmed Cc: Andrew Morton , Minchan Kim , Johannes Weiner , Nhat Pham , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: Re: [RFC PATCH 5/6] zsmalloc: introduce handle mapping API Message-ID: <5nhnrq753euz3exuirvkpvq5ycrpik7er6mgpu66zp2emt5xf4@7n2vzbghlzmd> References: <20250127080254.1302026-1-senozhatsky@chromium.org> <20250127080254.1302026-6-senozhatsky@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 3C5FCC000A X-Stat-Signature: py8us9eqo8utccg4a9a4jsnsqa5uriau X-Rspam-User: X-HE-Tag: 1738062618-630126 X-HE-Meta: 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 YjAint2a vih2HP95iMwL86Rrk+AUqSu49fhXd1R+Jr5/28EeLcTazUE0Bq3xzvdAy60u5HvF5uSUXsY9WX85+eZB5ycF3KUj2p+YZJrRGgfAR/DSTZ9Er0CiNqRt2YE7LhbVIYHr+JErdea/voXMjdCF6wMA93AYHJmVxS0GV2BCgSn9n3Tju3R2GoiiSoDEBZtQhHcYAGXmF9pm7xDLuQAFVCRM0DE5iNShiQyRQ/eiuK4N/TDrT7h7Ts+puxy5BZoaJkmOB3PFB1f59ClDm02IDeexn2FlNdKvQPQBlX6dqXUz0cPqm3SeRQQnbCRzxpAF8/SyfMtkz5x/jYA55mor2pv0QLTWuZjB5+ee3XPPTzLqG9E1NkfmL005kciYXQ+VZ0/QYSS2W X-Bogosity: Ham, tests=bogofilter, spamicity=0.001537, 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 (25/01/28 14:29), Sergey Senozhatsky wrote: > Maybe we can teach compaction and migration to try-WRITE and > bail out if the page is locked, but I don't know. This seems to be working just fine.