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Tue, 17 Jan 2023 09:27:30 +0800 (CST) Date: Tue, 17 Jan 2023 09:27:30 +0800 (CST) X-Zmail-TransId: 2b0663c5f982ffffffffef3fda09 X-Mailer: Zmail v1.0 Message-ID: <202301170927309483808@zte.com.cn> In-Reply-To: References: 202301131736452546903@zte.com.cn,Y8Wq3apsJh7keUVA@casper.infradead.org Mime-Version: 1.0 From: To: Cc: , , , , , , , Subject: =?UTF-8?B?UmU6IFtQQVRDSCBsaW51eC1uZXh0IHYzXSBzd2FwX3N0YXRlOiB1cGRhdGUgc2hhZG93X25vZGVzIGZvciBhbm9ueW1vdXMgcGFnZQ==?= Content-Type: text/plain; charset="UTF-8" X-MAIL:mse-fl2.zte.com.cn 30H1RUoE039328 X-Fangmail-Gw-Spam-Type: 0 X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63C5F985.000/4Nwrq97001z501Zn X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 05E518000F X-Stat-Signature: y3yyrg5187oejoyabtzj7cod6se1wboh X-HE-Tag: 1673918860-427207 X-HE-Meta: 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 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: > What testing did you do of this? I have this crash in today's testing: My test is this: 1.Configure zram for swap. 2.Run some program malloc and access large memory, make sure they can cause swap. 3.Watch count_shadow_nodes() and shadow_lru_isolate() to make sure that shadow_nodes are really shrinking by adding printk(). Really sorry for inadequate test, I will try more tests include drop_caches by sysctl.