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Tue, 14 Jan 2020 06:42:56 -0800 (PST) Received: from N-20L6PF1KTYA2 ([131.228.2.21]) by smtp.gmail.com with ESMTPSA id k23sm7783481ljj.85.2020.01.14.06.42.52 (version=TLS1_2 cipher=AES128-GCM-SHA256 bits=128/128); Tue, 14 Jan 2020 06:42:55 -0800 (PST) Date: Tue, 14 Jan 2020 22:42:52 +0800 From: "Li Xinhai" To: khlebnikov , richardw.yang Cc: "linux-mm@kvack.org" , akpm , "linux-kernel@vger.kernel.org" , "Rik van Riel" , kirill.shutemov Subject: Re: [PATCH v2 1/2] mm/rmap: fix and simplify reusing mergeable anon_vma as parent when fork References: <20200108023211.GC13943@richard>, , <20200109025240.GA2000@richard>, , <20200110023029.GB16823@richard>, <20200110112357351531132@gmail.com>, <20200110053442.GA27846@richard>, , <20200111223820.GA15506@richard>, , <20200113003343.GA27210@richard>, <1cf002fa-a3cb-bcef-57dc-ac9c09dcf2eb@yandex-team.ru> X-Priority: 3 X-GUID: F30EBA28-F37E-4088-8A8F-0F98CA44E4C1 X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <2020011422424965556826@gmail.com> Content-Type: text/plain; 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