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Thu, 14 Nov 2019 18:32:09 -0800 (PST) Date: Fri, 15 Nov 2019 10:32:07 +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> X-Priority: 3 X-GUID: 17C6F490-B4FF-4295-B405-E35367296597 X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <2019111510320597353014@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gMjAxOS0xMS0xNMKgYXQgMjE6NTnCoE1pY2hhbCBIb2Nrb8Kgd3JvdGU6Cj5PbiBUdWUgMTIt MTEtMTkgMTY6MDY6NTEsIFJhbHBoIENhbXBiZWxsIHdyb3RlOgo+PiBQYWdlQW5vbigpIGFuZCBQ YWdlS3NtKCkgdXNlIHRoZSBsb3cgdHdvIGJpdHMgb2YgdGhlIHBhZ2UtPm1hcHBpbmcgcG9pbnRl cgo+PiB0byBpbmRpY2F0ZSB0aGUgcGFnZSB0eXBlLiBQYWdlQW5vbigpIG9ubHkgY2hlY2tzIHRo ZSBMU0Igd2hpbGUgUGFnZUtzbSgpCj4+IGNoZWNrcyB0aGUgbGVhc3Qgc2lnbmlmaWNhbnQgMiBi aXRzIGFyZSBlcXVhbCB0byAzLiBUaGVyZWZvcmUsIFBhZ2VBbm9uKCkKPj4gaXMgdHJ1ZSBmb3Ig S1NNIHBhZ2VzLgo+PiBfX2R1bXBfcGFnZSgpIGluY29ycmVjdGx5IHdpbGwgbmV2ZXIgcHJpbnQg ImtzbSIgYmVjYXVzZSBpdCBjaGVja3MKPj4gUGFnZUFub24oKSBmaXJzdC4gRml4IHRoaXMgYnkg Y2hlY2tpbmcgUGFnZUtzbSgpIGZpcnN0Lgo+Cj5UaGFua3MgZm9yIHNwb3R0aW5nIHRoaXMKPgo+ Rml4ZXM6IDFjNmZiMWQ4OWU3MyAoIm1tOiBwcmludCBtb3JlIGluZm9ybWF0aW9uIGFib3V0IG1h cHBpbmcgaW4gX19kdW1wX3BhZ2UiKQo+Cj4+IFNpZ25lZC1vZmYtYnk6IFJhbHBoIENhbXBiZWxs IDxyY2FtcGJlbGxAbnZpZGlhLmNvbT4KPgo+QWNrZWQtYnk6IE1pY2hhbCBIb2NrbyA8bWhvY2tv QHN1c2UuY29tPgo+ClRoZSBmb3VyIHZhbHVlcyBmcm9tIHRob3NlIHR3byBsb3dlc3QgYml0cyBo YXZlIGRpZmZlcmVudCBtZWFuaW5nLCBzbyBQYWdlS3NtIGlzIAp0cnVlwqBkb2VzIG5vdCBtZWFu IHdlIGNhbiBjb25zaWRlciBQYWdlQW5vbiBpcyBhbHNvIHRydWUgb3IgUGFnZU1vdmFibGUgaXMg YWxzbyAKdHJ1ZS4KSW1wcm92ZSBQYWdlQW5vbigpIHdvdWxkIGJlIGJldHRlciwgc28gdXNlcnMg b2YgdGhvc2UgQVBJcyBkbyBub3QgbmVlZCB0byAKcmVtZW1iZXIgdGhpcyBpbXBsaWN0IGNoZWNr aW5nIHNlcXVlbmNlIGF0IG90aGVyIHBsYWNlcy4KCi0gWGluaGFp