From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id 824066B025F for ; Thu, 17 Aug 2017 16:18:53 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id m133so96998147pga.2 for ; Thu, 17 Aug 2017 13:18:53 -0700 (PDT) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTPS id b60si869738pli.437.2017.08.17.13.18.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Aug 2017 13:18:52 -0700 (PDT) From: "Liang, Kan" Subject: RE: [PATCH 1/2] sched/wait: Break up long wake list walk Date: Thu, 17 Aug 2017 20:18:43 +0000 Message-ID: <37D7C6CF3E00A74B8858931C1DB2F0775378761B@SHSMSX103.ccr.corp.intel.com> References: <84c7f26182b7f4723c0fe3b34ba912a9de92b8b7.1502758114.git.tim.c.chen@linux.intel.com> <37D7C6CF3E00A74B8858931C1DB2F07753786CE9@SHSMSX103.ccr.corp.intel.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Linus Torvalds Cc: Tim Chen , Peter Zijlstra , Ingo Molnar , Andi Kleen , Andrew Morton , Johannes Weiner , Jan Kara , linux-mm , Linux Kernel Mailing List DQoNCj4gPiBIZXJlIGlzIHRoZSB3YWtlX3VwX3BhZ2VfYml0IGNhbGwgc3RhY2sgd2hlbiB0aGUg d29ya2Fyb3VuZCBpcyBydW5uaW5nLA0KPiB3aGljaA0KPiA+IGlzIGNvbGxlY3RlZCBieSBwZXJm IHJlY29yZCAtZyAtYSAtZSBwcm9iZTp3YWtlX3VwX3BhZ2VfYml0IC0tIHNsZWVwIDEwDQo+IA0K PiBJdCdzIGFjdHVhbGx5IG5vdCByZWFsbHkgd2FrZV91cF9wYWdlX2JpdCgpIHRoYXQgaXMgYWxs IHRoYXQNCj4gaW50ZXJlc3RpbmcsIGl0IHdvdWxkIGJlIG1vcmUgaW50ZXJlc3RpbmcgdG8gc2Vl IHdoaWNoIHBhdGggaXQgaXMgdGhhdA0KPiAqYWRkcyogdGhlIGVudHJpZXMuDQo+IA0KPiBTbyBp dCdzIG1haW5seSB3YWl0X29uX3BhZ2VfYml0X2NvbW1vbigpLCBidXQgYWxzbw0KPiBhZGRfcGFn ZV93YWl0X3F1ZXVlKCkuDQo+IA0KPiBDYW4geW91IGdldCB0aGF0IGNhbGwgc3RhY2sgaW5zdGVh ZCAob3IgaW4gYWRkaXRpb24gdG8pPw0KPiANCg0KSGVyZSBpcyB0aGUgY2FsbCBzdGFjayBvZiB3 YWl0X29uX3BhZ2VfYml0X2NvbW1vbg0Kd2hlbiB0aGUgcXVldWUgaXMgbG9uZyAoZW50cmllcyA+ MTAwMCkuDQoNCiMgT3ZlcmhlYWQgIFRyYWNlIG91dHB1dCAgICAgIA0KIyAuLi4uLi4uLiAgLi4u Li4uLi4uLi4uLi4uLi4uDQojDQogICAxMDAuMDAlICAoZmZmZmZmZmY5MzFhZWZjYSkNCiAgICAg ICAgICAgIHwNCiAgICAgICAgICAgIC0tLXdhaXRfb25fcGFnZV9iaXQNCiAgICAgICAgICAgICAg IF9fbWlncmF0aW9uX2VudHJ5X3dhaXQNCiAgICAgICAgICAgICAgIG1pZ3JhdGlvbl9lbnRyeV93 YWl0DQogICAgICAgICAgICAgICBkb19zd2FwX3BhZ2UNCiAgICAgICAgICAgICAgIF9faGFuZGxl X21tX2ZhdWx0DQogICAgICAgICAgICAgICBoYW5kbGVfbW1fZmF1bHQNCiAgICAgICAgICAgICAg IF9fZG9fcGFnZV9mYXVsdA0KICAgICAgICAgICAgICAgZG9fcGFnZV9mYXVsdA0KICAgICAgICAg ICAgICAgcGFnZV9mYXVsdA0KICAgICAgICAgICAgICAgfCAgICAgICAgICANCiAgICAgICAgICAg ICAgIHwtLTIxLjg5JS0tMHgxMjNhMg0KICAgICAgICAgICAgICAgfCAgICAgICAgICBzdGFydF90 aHJlYWQNCiAgICAgICAgICAgICAgIHwgICAgICAgICAgDQogICAgICAgICAgICAgICB8LS0yMS42 NCUtLTB4MTIzNTINCiAgICAgICAgICAgICAgIHwgICAgICAgICAgc3RhcnRfdGhyZWFkDQogICAg ICAgICAgICAgICB8ICAgICAgICAgIA0KICAgICAgICAgICAgICAgfC0tMjAuOTAlLS1faW50X2Zy ZWUNCiAgICAgICAgICAgICAgIHwgICAgICAgICAgfCAgICAgICAgICANCiAgICAgICAgICAgICAg IHwgICAgICAgICAgIC0tMjAuNDQlLS0wDQogICAgICAgICAgICAgICB8ICAgICAgICAgIA0KICAg ICAgICAgICAgICAgfC0tNy4zNCUtLTB4MTI3YTkNCiAgICAgICAgICAgICAgIHwgICAgICAgICAg c3RhcnRfdGhyZWFkDQogICAgICAgICAgICAgICB8ICAgICAgICAgIA0KICAgICAgICAgICAgICAg fC0tNi44NCUtLTB4MTI3ZGYNCiAgICAgICAgICAgICAgIHwgICAgICAgICAgc3RhcnRfdGhyZWFk DQogICAgICAgICAgICAgICB8ICAgICAgICAgIA0KICAgICAgICAgICAgICAgfC0tNi42NSUtLTB4 MTIyMDUNCiAgICAgICAgICAgICAgIHwgICAgICAgICAgMHgxMjA2ZA0KICAgICAgICAgICAgICAg fCAgICAgICAgICAweDExZjg1DQogICAgICAgICAgICAgICB8ICAgICAgICAgIDB4MTFhMDUNCiAg ICAgICAgICAgICAgIHwgICAgICAgICAgMHgxMDMwMg0KICAgICAgICAgICAgICAgfCAgICAgICAg ICB8ICAgICAgICAgIA0KICAgICAgICAgICAgICAgfCAgICAgICAgICAgLS02LjYyJS0tMHhhOGVl DQogICAgICAgICAgICAgICB8ICAgICAgICAgICAgICAgICAgICAgfCAgICAgICAgICANCiAgICAg ICAgICAgICAgIHwgICAgICAgICAgICAgICAgICAgICAgLS01LjIyJS0tMHgzYWY1DQogICAgICAg ICAgICAgICB8ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBfX2xpYmNfc3RhcnRfbWFp bg0KICAgICAgICAgICAgICAgfCAgICAgICAgICANCiAgICAgICAgICAgICAgIHwtLTUuNDAlLS0w eDEyODRiDQogICAgICAgICAgICAgICB8ICAgICAgICAgIHN0YXJ0X3RocmVhZA0KICAgICAgICAg ICAgICAgfCAgICAgICAgICANCiAgICAgICAgICAgICAgIHwtLTMuMTQlLS0weDEyODgxDQogICAg ICAgICAgICAgICB8ICAgICAgICAgIHN0YXJ0X3RocmVhZA0KICAgICAgICAgICAgICAgfCAgICAg ICAgICANCiAgICAgICAgICAgICAgIHwtLTMuMDIlLS0weDEyNzczDQogICAgICAgICAgICAgICB8 ICAgICAgICAgIHN0YXJ0X3RocmVhZA0KICAgICAgICAgICAgICAgfCAgICAgICAgICANCiAgICAg ICAgICAgICAgICAtLTIuOTclLS0weDEyODE1DQogICAgICAgICAgICAgICAgICAgICAgICAgIHN0 YXJ0X3RocmVhZA0KDQpUaGFua3MsDQpLYW4NCg== -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org