From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id 0A3B96B0007 for ; Mon, 19 Mar 2018 06:51:47 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id x6so9472725pfx.16 for ; Mon, 19 Mar 2018 03:51:47 -0700 (PDT) Received: from baidu.com ([61.135.165.120]) by mx.google.com with ESMTP id y30-v6si4437559plh.441.2018.03.19.03.51.45 for ; Mon, 19 Mar 2018 03:51:45 -0700 (PDT) From: "Li,Rongqing" Subject: =?utf-8?B?562U5aSNOiDnrZTlpI06IFtQQVRDSF0gbW0vbWVtY29udHJvbC5jOiBzcGVl?= =?utf-8?Q?d_up_to_force_empty_a_memory_cgroup?= Date: Mon, 19 Mar 2018 10:51:42 +0000 Message-ID: <2AD939572F25A448A3AE3CAEA61328C2374589DC@BC-MAIL-M28.internal.baidu.com> References: <1521448170-19482-1-git-send-email-lirongqing@baidu.com> <20180319085355.GQ23100@dhcp22.suse.cz> <2AD939572F25A448A3AE3CAEA61328C23745764B@BC-MAIL-M28.internal.baidu.com> <20180319103756.GV23100@dhcp22.suse.cz> In-Reply-To: <20180319103756.GV23100@dhcp22.suse.cz> Content-Language: zh-CN Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "cgroups@vger.kernel.org" , "hannes@cmpxchg.org" , Andrey Ryabinin DQoNCj4gLS0tLS3pgq7ku7bljp/ku7YtLS0tLQ0KPiDlj5Hku7bkuro6IE1pY2hhbCBIb2NrbyBb bWFpbHRvOm1ob2Nrb0BrZXJuZWwub3JnXQ0KPiDlj5HpgIHml7bpl7Q6IDIwMTjlubQz5pyIMTnm l6UgMTg6MzgNCj4g5pS25Lu25Lq6OiBMaSxSb25ncWluZyA8bGlyb25ncWluZ0BiYWlkdS5jb20+ DQo+IOaKhOmAgTogbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsgbGludXgtbW1Aa3ZhY2su b3JnOw0KPiBjZ3JvdXBzQHZnZXIua2VybmVsLm9yZzsgaGFubmVzQGNtcHhjaGcub3JnOyBBbmRy ZXkgUnlhYmluaW4NCj4gPGFyeWFiaW5pbkB2aXJ0dW96em8uY29tPg0KPiDkuLvpopg6IFJlOiDn rZTlpI06IFtQQVRDSF0gbW0vbWVtY29udHJvbC5jOiBzcGVlZCB1cCB0byBmb3JjZSBlbXB0eSBh DQo+IG1lbW9yeSBjZ3JvdXANCj4gDQo+IE9uIE1vbiAxOS0wMy0xOCAxMDowMDo0MSwgTGksUm9u Z3Fpbmcgd3JvdGU6DQo+ID4NCj4gPg0KPiA+ID4gLS0tLS3pgq7ku7bljp/ku7YtLS0tLQ0KPiA+ ID4g5Y+R5Lu25Lq6OiBNaWNoYWwgSG9ja28gW21haWx0bzptaG9ja29Aa2VybmVsLm9yZ10NCj4g PiA+IOWPkemAgeaXtumXtDogMjAxOOW5tDPmnIgxOeaXpSAxNjo1NA0KPiA+ID4g5pS25Lu25Lq6 OiBMaSxSb25ncWluZyA8bGlyb25ncWluZ0BiYWlkdS5jb20+DQo+ID4gPiDmioTpgIE6IGxpbnV4 LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7IGxpbnV4LW1tQGt2YWNrLm9yZzsNCj4gPiA+IGNncm91 cHNAdmdlci5rZXJuZWwub3JnOyBoYW5uZXNAY21weGNoZy5vcmc7IEFuZHJleSBSeWFiaW5pbg0K PiA+ID4gPGFyeWFiaW5pbkB2aXJ0dW96em8uY29tPg0KPiA+ID4g5Li76aKYOiBSZTogW1BBVENI XSBtbS9tZW1jb250cm9sLmM6IHNwZWVkIHVwIHRvIGZvcmNlIGVtcHR5IGENCj4gbWVtb3J5DQo+ ID4gPiBjZ3JvdXANCj4gPiA+DQo+ID4gPiBPbiBNb24gMTktMDMtMTggMTY6Mjk6MzAsIExpIFJv bmdRaW5nIHdyb3RlOg0KPiA+ID4gPiBtZW1fY2dyb3VwX2ZvcmNlX2VtcHR5KCkgdHJpZXMgdG8g ZnJlZSBvbmx5IDMyDQo+IChTV0FQX0NMVVNURVJfTUFYKQ0KPiA+ID4gPiBwYWdlcyBvbiBlYWNo IGl0ZXJhdGlvbiwgaWYgYSBtZW1vcnkgY2dyb3VwIGhhcyBsb3RzIG9mIHBhZ2UNCj4gPiA+ID4g Y2FjaGUsIGl0IHdpbGwgdGFrZSBtYW55IGl0ZXJhdGlvbnMgdG8gZW1wdHkgYWxsIHBhZ2UgY2Fj aGUsIHNvDQo+ID4gPiA+IGluY3JlYXNlIHRoZSByZWNsYWltZWQgbnVtYmVyIHBlciBpdGVyYXRp b24gdG8gc3BlZWQgaXQgdXAuIHNhbWUNCj4gPiA+ID4gYXMgaW4NCj4gPiA+ID4gbWVtX2Nncm91 cF9yZXNpemVfbGltaXQoKQ0KPiA+ID4gPg0KPiA+ID4gPiBhIHNpbXBsZSB0ZXN0IHNob3c6DQo+ ID4gPiA+DQo+ID4gPiA+ICAgJGRkIGlmPWFhYSAgb2Y9YmJiICBicz0xayBjb3VudD0zODg2MDgw DQo+ID4gPiA+ICAgJHJtIC1mIGJiYg0KPiA+ID4gPiAgICR0aW1lIGVjaG8NCj4gMTAwMDAwMDAw ID4vY2dyb3VwL21lbW9yeS90ZXN0L21lbW9yeS5saW1pdF9pbl9ieXRlcw0KPiA+ID4gPg0KPiA+ ID4gPiBCZWZvcmU6IDBtMC4yNTJzID09PT4gYWZ0ZXI6IDBtMC4xNzhzDQo+ID4gPg0KPiA+ID4g QW5kcmV5IHdhcyBwcm9wb3Npbmcgc29tZXRoaW5nIHNpbWlsYXIgWzFdLiBNeSBtYWluIG9iamVj dGlvbiB3YXMNCj4gPiA+IHRoYXQgaGlzIGFwcHJvYWNoIG1pZ2h0IGxlYWQgdG8gb3Zlci1yZWNs YWltLiBZb3VyIGFwcHJvYWNoIGlzIG1vcmUNCj4gPiA+IGNvbnNlcnZhdGl2ZSBiZWNhdXNlIGl0 IGp1c3QgaW5jcmVhc2VzIHRoZSBiYXRjaCBzaXplLiBUaGUgc2l6ZSBpcw0KPiA+ID4gc3RpbGwg cmF0aGVyIGFyYml0cmFyeS4gU2FtZSBhcyBTV0FQX0NMVVNURVJfTUFYIGJ1dCB0aGF0IG9uZSBp cyBhDQo+ID4gPiBjb21tb25seSB1c2VkIHVuaXQgb2YgcmVjbGFpbSBpbiB0aGUgTU0gY29kZS4N Cj4gPiA+DQo+ID4gPiBJIHdvdWxkIGJlIHJlYWxseSBjdXJpb3VzIGFib3V0IG1vcmUgZGV0YWls ZWQgZXhwbGFuYXRpb24gd2h5IGhhdmluZw0KPiA+ID4gYSBsYXJnZXIgYmF0Y2ggeWllbGRzIHRv IGEgYmV0dGVyIHBlcmZvcm1hbmNlIGJlY2F1c2Ugd2UgYXJlIGRvaW5nZw0KPiA+ID4gU1dBUF9D TFVTVEVSX01BWCBiYXRjaGVzIGF0IHRoZSBsb3dlciByZWNsYWltIGxldmVsIGFueXdheS4NCj4g PiA+DQo+ID4NCj4gPiBBbHRob3VnaCBTV0FQX0NMVVNURVJfTUFYIGlzIHVzZWQgYXQgdGhlIGxv d2VyIGxldmVsLCBidXQgdGhlIGNhbGwNCj4gPiBzdGFjayBvZiB0cnlfdG9fZnJlZV9tZW1fY2dy b3VwX3BhZ2VzIGlzIHRvbyBsb25nLCBpbmNyZWFzZSB0aGUNCj4gPiBucl90b19yZWNsYWltIGNh biByZWR1Y2UgdGltZXMgb2YgY2FsbGluZw0KPiA+IGZ1bmN0aW9uW2RvX3RyeV90b19mcmVlX3Bh Z2VzLCBzaHJpbmtfem9uZXMsIGhyaW5rX25vZGUgXQ0KPiA+DQo+ID4gbWVtX2Nncm91cF9yZXNp emVfbGltaXQNCj4gPiAtLS0+dHJ5X3RvX2ZyZWVfbWVtX2Nncm91cF9wYWdlczogIC5ucl90b19y ZWNsYWltID0gbWF4KDEwMjQsDQo+ID4gLS0tPlNXQVBfQ0xVU1RFUl9NQVgpLA0KPiA+ICAgIC0t LT4gZG9fdHJ5X3RvX2ZyZWVfcGFnZXMNCj4gPiAgICAgIC0tLT4gc2hyaW5rX3pvbmVzDQo+ID4g ICAgICAgLS0tPnNocmlua19ub2RlDQo+ID4gICAgICAgIC0tLT4gc2hyaW5rX25vZGVfbWVtY2cN Cj4gPiAgICAgICAgICAtLS0+IHNocmlua19saXN0ICAgICAgICAgIDwtLS0tLS0tbG9vcCB3aWxs IGhhcHBlbiBpbiB0aGlzIHBsYWNlDQo+IFt0aW1lcz0xMDI0LzMyXQ0KPiA+ICAgICAgICAgICAg LS0tPiBzaHJpbmtfcGFnZV9saXN0DQo+IA0KPiBDYW4geW91IGFjdHVhbGx5IG1lYXN1cmUgdGhp cyB0byBiZSB0aGUgY3VscHJpdC4gQmVjYXVzZSB3ZSBzaG91bGQgcmV0aGluaw0KPiBvdXIgY2Fs bCBwYXRoIGlmIGl0IGlzIHRvbyBjb21wbGljYXRlZC9kZWVwIHRvIHBlcmZvcm0gd2VsbC4NCj4g QWRkaW5nIGFyYml0cmFyeSBiYXRjaCBzaXplcyBkb2Vzbid0IHNvdW5kIGxpa2UgYSBnb29kIHdh eSB0byBnbyB0byBtZS4NCg0KT2ssIEkgd2lsbCB0cnkNCg0KLVJvbmdRaW5nDQo+IC0tDQo+IE1p Y2hhbCBIb2Nrbw0KPiBTVVNFIExhYnMNCg==