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Thu, 14 Nov 2019 21:47:23 -0800 (PST) Received: from N-20L6PF1KTYA2 ([131.228.2.20]) by smtp.gmail.com with ESMTPSA id n23sm8440449wmc.18.2019.11.14.21.47.21 (version=TLS1_2 cipher=AES128-GCM-SHA256 bits=128/128); Thu, 14 Nov 2019 21:47:23 -0800 (PST) Date: Fri, 15 Nov 2019 13:47:21 +0800 From: "lixinhai.lxh@gmail.com" To: "Michal Hocko" , "Ralph Campbell" Cc: akpm , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] mm/debug: PageAnon() is true for PageKsm() pages References: <20191113000651.20677-1-rcampbell@nvidia.com>, <20191114135948.GB1356@dhcp22.suse.cz>, <2019111510320597353014@gmail.com> X-Priority: 3 X-GUID: D39CEE16-C913-440B-9C52-B947EE7F4E23 X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <2019111513472001709128@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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: T24gMjAxOS0xMS0xNcKgYXQgMTA6MzLCoGxpeGluaGFpLmx4aMKgd3JvdGU6Cj5PbiAyMDE5LTEx LTE0wqBhdCAyMTo1OcKgTWljaGFsIEhvY2tvwqB3cm90ZToKPj5PbiBUdWUgMTItMTEtMTkgMTY6 MDY6NTEsIFJhbHBoIENhbXBiZWxsIHdyb3RlOgo+Pj4gUGFnZUFub24oKSBhbmQgUGFnZUtzbSgp IHVzZSB0aGUgbG93IHR3byBiaXRzIG9mIHRoZSBwYWdlLT5tYXBwaW5nIHBvaW50ZXIKPj4+IHRv IGluZGljYXRlIHRoZSBwYWdlIHR5cGUuIFBhZ2VBbm9uKCkgb25seSBjaGVja3MgdGhlIExTQiB3 aGlsZSBQYWdlS3NtKCkKPj4+IGNoZWNrcyB0aGUgbGVhc3Qgc2lnbmlmaWNhbnQgMiBiaXRzIGFy ZSBlcXVhbCB0byAzLiBUaGVyZWZvcmUsIFBhZ2VBbm9uKCkKPj4+IGlzIHRydWUgZm9yIEtTTSBw YWdlcy4KPj4+IF9fZHVtcF9wYWdlKCkgaW5jb3JyZWN0bHkgd2lsbCBuZXZlciBwcmludCAia3Nt IiBiZWNhdXNlIGl0IGNoZWNrcwo+Pj4gUGFnZUFub24oKSBmaXJzdC4gRml4IHRoaXMgYnkgY2hl Y2tpbmcgUGFnZUtzbSgpIGZpcnN0Lgo+Pgo+PlRoYW5rcyBmb3Igc3BvdHRpbmcgdGhpcwo+Pgo+ PkZpeGVzOiAxYzZmYjFkODllNzMgKCJtbTogcHJpbnQgbW9yZSBpbmZvcm1hdGlvbiBhYm91dCBt YXBwaW5nIGluIF9fZHVtcF9wYWdlIikKPj4KPj4+IFNpZ25lZC1vZmYtYnk6IFJhbHBoIENhbXBi ZWxsIDxyY2FtcGJlbGxAbnZpZGlhLmNvbT4KPj4KPj5BY2tlZC1ieTogTWljaGFsIEhvY2tvIDxt aG9ja29Ac3VzZS5jb20+Cj4+Cj5UaGUgZm91ciB2YWx1ZXMgZnJvbSB0aG9zZSB0d28gbG93ZXN0 IGJpdHMgaGF2ZSBkaWZmZXJlbnQgbWVhbmluZywgc28gUGFnZUtzbSBpcwo+dHJ1ZcKgZG9lcyBu b3QgbWVhbiB3ZSBjYW4gY29uc2lkZXIgUGFnZUFub24gaXMgYWxzbyB0cnVlIG9yIFBhZ2VNb3Zh YmxlIGlzIGFsc28KPnRydWUuCj5JbXByb3ZlIFBhZ2VBbm9uKCkgd291bGQgYmUgYmV0dGVyLCBz byB1c2VycyBvZiB0aG9zZSBBUElzIGRvIG5vdCBuZWVkIHRvCj5yZW1lbWJlciB0aGlzIGltcGxp Y3QgY2hlY2tpbmcgc2VxdWVuY2UgYXQgb3RoZXIgcGxhY2VzLgo+Cj4tIFhpbmhhaSAKCkxvb2tl ZCB0aGUgcmVmZXJlbmNlIHRvIFBhZ2VBbm9uKCkgYWdhaW4sIHRoZXJlIGFyZSBtYW55IHVzZSBv ZiBQYWdlQW5vbigpIHRvwqAKY292ZXIgY2FzZXMgZm9yIGJvdGggQW5vbiB3aXRob3V0IEtTTSBh bmQgQW5vbiB3aXRoIEtTTS4gQ2hhbmdlIFBhZ2VBbm9uKCnCoAppbXBsZW1lbnRhdGlvbiByZXF1 aXJlIGNoYW5nZSB0aG9zZSBwbGFjZXMsIHNvIGtlZXAgdGhpcyBwYXRjaCBmb3IgY3VycmVudCBp c3N1ZSBpc8KgCmVub3VnaC4KCi0gWGluaGFpCgo=