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Wed, 12 Feb 2020 17:50:50 -0800 (PST) Received: from N-20L6PF1KTYA2 ([131.228.2.21]) by smtp.gmail.com with ESMTPSA id d26sm330184lfa.44.2020.02.12.17.50.46 (version=TLS1_2 cipher=AES128-GCM-SHA256 bits=128/128); Wed, 12 Feb 2020 17:50:49 -0800 (PST) Date: Thu, 13 Feb 2020 09:50:45 +0800 From: "Li Xinhai" To: "Mike Kravetz" , =?utf-8?B?SE9SSUdVQ0hJIE5BT1lBKOWggOWPo+OAgOebtOS5nyk=?= Cc: n-horiguchi , "linux-mm@kvack.org" , akpm , mhocko , linux-man Subject: Re: [PATCH] mm/mempolicy: support MPOL_MF_STRICT for huge page mapping References: <1580434395-9962-1-git-send-email-lixinhai.lxh@gmail.com>, <07cd0750-d908-dd3b-dee1-bc3fcf5bf771@oracle.com>, <20200212032139.GA31425@hori.linux.bs1.fc.nec.co.jp>, <2020021213250278382352@gmail.com>, X-Priority: 3 X-GUID: 428ACBAB-B3AA-483B-923A-A583EBD186ED X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <2020021309504334686455@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-Bogosity: Ham, tests=bogofilter, spamicity=0.027428, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: T24gMjAyMC0wMi0xM8KgYXQgMDc6NTDCoE1pa2UgS3JhdmV0esKgd3JvdGU6Cj5PbiAyLzExLzIw IDk6MjUgUE0sIExpIFhpbmhhaSB3cm90ZToKPj4gT24gMjAyMC0wMi0xMiBhdCAxMToyMSBIT1JJ R1VDSEkgTkFPWUEo5aCA5Y+j44CA55u05LmfKSB3cm90ZToKPj4+IE9uIE1vbiwgRmViIDEwLCAy MDIwIGF0IDA5OjE5OjQ4QU0gLTA4MDAsIE1pa2UgS3JhdmV0eiB3cm90ZToKPj4+PiBPbiAxLzMw LzIwIDU6MzMgUE0sIExpIFhpbmhhaSB3cm90ZToKPj4+IC4uLgo+Pj4+Pgo+Pj4+PiBTaWduZWQt b2ZmLWJ5OiBMaSBYaW5oYWkgPGxpeGluaGFpLmx4aEBnbWFpbC5jb20+Cj4+Pj4+IENjOiBNaWNo YWwgSG9ja28gPG1ob2Nrb0BzdXNlLmNvbT4KPj4+Pj4gQ2M6IE1pa2UgS3JhdmV0eiA8bWlrZS5r cmF2ZXR6QG9yYWNsZS5jb20+Cj4+Pj4+IENjOiBOYW95YSBIb3JpZ3VjaGkgPG4taG9yaWd1Y2hp QGFoLmpwLm5lYy5jb20+Cj4+Pj4+IENjOiBsaW51eC1tYW4gPGxpbnV4LW1hbkB2Z2VyLmtlcm5l bC5vcmc+Cj4+Pj4KPj4+PiBIZWxsbyBOYW95YSwKPj4+Pgo+Pj4+IERvIHlvdSBoYXZlIGFueSB0 aG91Z2h0cyBvbiB0aGlzP8KgIEluIHByZXZpb3VzIGRpc2N1c3Npb25zIHlvdSBzdWdnZXN0ZWQg dGhpcwo+Pj4+IGFwcHJvYWNoIG9mIHJlbW92aW5nIHRoZSBzcGVjaWFsIGNhc2luZyBmb3IgaHVn ZXRsYiBwYWdlcy7CoCBUaGUgY29kZSBsb29rcwo+Pj4+IGdvb2QgdG8gbWUgYW5kIHBhdGNoIGlz IGZpbmUgd2l0aCBjb21tbWl0IG1lc3NhZ2UgbW9kaWZpY2F0aW9uLsKgIEp1c3Qgd2FudGVkCj4+ Pj4gdG8gZ2V0IHlvdXIgb3Bpbmlvbi4KPj4+Cj4+PiBIaSBNaWtlLCBYaW5oYWksCj4+Pgo+Pj4g VGhlIHN1Z2dlc3RlZCBjaGFuZ2UgbG9va3MgZ29vZCB0byBtZSwgdG9vLgo+Pj4KPj4+IFRoYW5r cywKPj4+IE5hb3lhIEhvcmlndWNoaQo+Pgo+PiBOYW95YSwgdGhhbmtzIGZvciBpbnNwZWN0aW5n IHRoZSBjaGFuZ2UhCj4KPkNhbiB5b3UgcGxlYXNlIHNlbmQgVjIgb2YgcGF0Y2ggd2l0aCBhbiB1 cGRhdGVkIGNvbW1pdCBtZXNzYWdlLgo+Cj5JIHdvdWxkIGxpa2UgdGhlIHNlY3Rpb24gdGhhdCB3 aGljaCBsaXN0cyB0aGUgaW1wYWN0IHRvICJ1c2VycyB1c2luZwo+TVBPTF9NRl9TVFJJQ1QgYWxv bmUiIHRvIHNheSBzb21ldGhpbmcgbGlrZSB0aGlzOgo+SWYgTVBPTF9NRl9TVFJJQ1QgYWxvbmUg d2FzIHByZXZpb3VzbHkgdXNlZCwgaHVnZXRsYiBwYWdlcyBub3QgZm9sbG93aW5nIHRoZQo+bWVt b3J5IHBvbGljeSB3b3VsZCBub3QgY2F1c2UgYW4gRUlPIGVycm9yLsKgIEFmdGVyIHRoaXMgY2hh bmdlLCBodWdldGxiIHBhZ2VzCj5hcmUgdHJlYXRlZCBsaWtlIGFsbCBvdGhlciBwYWdlcy7CoCBJ ZsKgIE1QT0xfTUZfU1RSSUNUIGFsb25lIGlzIHVzZWQgYW5kIGh1Z2V0bGIKPnBhZ2VzIGRvIG5v dCBmb2xsb3cgbWVtb3J5IHBvbGljeSBhbiBFSU8gZXJyb3Igd2lsbCBiZSByZXR1cm5lZC4KPi0t Cj5NaWtlIEtyYXZldHogCgpJIHdpbGwgc2VuZCBhIG5ldyBwYXRjaCwgdGhhbmtzLg==