From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f198.google.com (mail-io0-f198.google.com [209.85.223.198]) by kanga.kvack.org (Postfix) with ESMTP id 9A2016B025F for ; Fri, 18 Aug 2017 09:06:24 -0400 (EDT) Received: by mail-io0-f198.google.com with SMTP id g35so84578030ioi.5 for ; Fri, 18 Aug 2017 06:06:24 -0700 (PDT) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTPS id 76si3483533pgd.169.2017.08.18.06.06.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Aug 2017 06:06:23 -0700 (PDT) From: "Liang, Kan" Subject: RE: [PATCH 1/2] sched/wait: Break up long wake list walk Date: Fri, 18 Aug 2017 13:06:04 +0000 Message-ID: <37D7C6CF3E00A74B8858931C1DB2F07753787920@SHSMSX103.ccr.corp.intel.com> References: <84c7f26182b7f4723c0fe3b34ba912a9de92b8b7.1502758114.git.tim.c.chen@linux.intel.com> <37D7C6CF3E00A74B8858931C1DB2F07753786CE9@SHSMSX103.ccr.corp.intel.com> <37D7C6CF3E00A74B8858931C1DB2F0775378761B@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 , Mel Gorman , "Kirill A. Shutemov" Cc: Tim Chen , Peter Zijlstra , Ingo Molnar , Andi Kleen , Andrew Morton , Johannes Weiner , Jan Kara , linux-mm , Linux Kernel Mailing List DQoNCj4gT24gVGh1LCBBdWcgMTcsIDIwMTcgYXQgMToxOCBQTSwgTGlhbmcsIEthbiA8a2FuLmxp YW5nQGludGVsLmNvbT4gd3JvdGU6DQo+ID4NCj4gPiBIZXJlIGlzIHRoZSBjYWxsIHN0YWNrIG9m IHdhaXRfb25fcGFnZV9iaXRfY29tbW9uIHdoZW4gdGhlIHF1ZXVlIGlzDQo+ID4gbG9uZyAoZW50 cmllcyA+MTAwMCkuDQo+ID4NCj4gPiAjIE92ZXJoZWFkICBUcmFjZSBvdXRwdXQNCj4gPiAjIC4u Li4uLi4uICAuLi4uLi4uLi4uLi4uLi4uLi4NCj4gPiAjDQo+ID4gICAgMTAwLjAwJSAgKGZmZmZm ZmZmOTMxYWVmY2EpDQo+ID4gICAgICAgICAgICAgfA0KPiA+ICAgICAgICAgICAgIC0tLXdhaXRf b25fcGFnZV9iaXQNCj4gPiAgICAgICAgICAgICAgICBfX21pZ3JhdGlvbl9lbnRyeV93YWl0DQo+ ID4gICAgICAgICAgICAgICAgbWlncmF0aW9uX2VudHJ5X3dhaXQNCj4gPiAgICAgICAgICAgICAg ICBkb19zd2FwX3BhZ2UNCj4gPiAgICAgICAgICAgICAgICBfX2hhbmRsZV9tbV9mYXVsdA0KPiA+ ICAgICAgICAgICAgICAgIGhhbmRsZV9tbV9mYXVsdA0KPiA+ICAgICAgICAgICAgICAgIF9fZG9f cGFnZV9mYXVsdA0KPiA+ICAgICAgICAgICAgICAgIGRvX3BhZ2VfZmF1bHQNCj4gPiAgICAgICAg ICAgICAgICBwYWdlX2ZhdWx0DQo+IA0KPiBIbW0uIE9rLCBzbyBpdCBkb2VzIHNlZW0gdG8gdmVy eSBtdWNoIGJlIHJlbGF0ZWQgdG8gbWlncmF0aW9uLiBZb3VyDQo+IHdha2VfdXBfcGFnZV9iaXQo KSBwcm9maWxlIG1hZGUgbWUgc3VzcGVjdCB0aGF0LCBidXQgdGhpcyBvbmUgc2VlbXMgdG8NCj4g cHJldHR5IG11Y2ggY29uZmlybSBpdC4NCj4gDQo+IFNvIGl0IGxvb2tzIGxpa2UgdGhhdCB3YWl0 X29uX3BhZ2VfbG9ja2VkKCkgdGhpbmcgaW4gX19taWdyYXRpb25fZW50cnlfd2FpdCgpLA0KPiBh bmQgd2hhdCBwcm9iYWJseSBoYXBwZW5zIGlzIHRoYXQgeW91ciBsb2FkIGVuZHMgdXAgdHJpZ2dl cmluZyBhIGxvdCBvZg0KPiBtaWdyYXRpb24gKG9yIGp1c3QgbWlncmF0aW9uIG9mIGEgdmVyeSBo b3QgcGFnZSksIGFuZCB0aGVuICpldmVyeSogdGhyZWFkDQo+IGVuZHMgdXAgd2FpdGluZyBmb3Ig d2hhdGV2ZXIgcGFnZSB0aGF0IGVuZGVkIHVwIGdldHRpbmcgbWlncmF0ZWQuDQo+IA0KPiBBbmQg c28gdGhlIHdhaXQgcXVldWUgZm9yIHRoYXQgcGFnZSBncm93cyBodWdlbHkgbG9uZy4NCj4gDQo+ IExvb2tpbmcgYXQgdGhlIG90aGVyIHByb2ZpbGUsIHRoZSB0aGluZyB0aGF0IGlzIGxvY2tpbmcg dGhlIHBhZ2UgKHRoYXQgZXZlcnlib2R5DQo+IHRoZW4gZW5kcyB1cCB3YWl0aW5nIG9uKSB3b3Vs ZCBzZWVtIHRvIGJlDQo+IG1pZ3JhdGVfbWlzcGxhY2VkX3RyYW5zaHVnZV9wYWdlKCksIHNvIHRo aXMgaXMgX3ByZXN1bWFibHlfIGR1ZSB0byBOVU1BDQo+IGJhbGFuY2luZy4NCj4gDQo+IERvZXMg dGhlIHByb2JsZW0gZ28gYXdheSBpZiB5b3UgZGlzYWJsZSB0aGUgTlVNQSBiYWxhbmNpbmcgY29k ZT8NCj4gDQoNClllcywgdGhlIHByb2JsZW0gZ29lcyBhd2F5IHdoZW4gTlVNQSBiYWxhbmNpbmcg aXMgZGlzYWJsZWQuDQoNCg0KVGhhbmtzLA0KS2FuDQo= -- 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