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 B36486B02B4 for ; Mon, 28 Aug 2017 10:51:19 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id r187so1052485pfr.8 for ; Mon, 28 Aug 2017 07:51:19 -0700 (PDT) Received: from mga05.intel.com (mga05.intel.com. [192.55.52.43]) by mx.google.com with ESMTPS id s21si426179pfi.259.2017.08.28.07.51.17 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 28 Aug 2017 07:51:18 -0700 (PDT) From: "Liang, Kan" Subject: RE: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Date: Mon, 28 Aug 2017 14:51:14 +0000 Message-ID: <37D7C6CF3E00A74B8858931C1DB2F077537A07E9@SHSMSX103.ccr.corp.intel.com> References: <83f675ad385d67760da4b99cd95ee912ca7c0b44.1503677178.git.tim.c.chen@linux.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 , Tim Chen Cc: Mel Gorman , Peter Zijlstra , Ingo Molnar , Andi Kleen , Andrew Morton , Johannes Weiner , Jan Kara , Christopher Lameter , "Eric W . Biederman" , Davidlohr Bueso , linux-mm , Linux Kernel Mailing List DQoNCi4NCj4gT24gRnJpLCBBdWcgMjUsIDIwMTcgYXQgNzo1NCBQTSwgTGludXMgVG9ydmFsZHMg PHRvcnZhbGRzQGxpbnV4LQ0KPiBmb3VuZGF0aW9uLm9yZz4gd3JvdGU6DQo+ID4NCj4gPiBTaW1w bGlmeSwgc2ltcGxpZnksIHNpbXBsaWZ5Lg0KPiANCj4gSSd2ZSBub3cgdHJpZWQgdGhyZWUgZGlm ZmVyZW50IGFwcHJvYWNoZXMgKEkgc3RvcHBlZCBzZW5kaW5nIGJyb2tlbiBwYXRjaGVzDQo+IGFm dGVyIGRlY2lkaW5nIHRoZSBmaXJzdCBvbmUgd2FzIHVuZml4YWJsZSksIGFuZCB0aGV5IGFsbCBz dWNrLg0KPiANCj4gSSB3YXMgaG9waW5nIGZvciBzb21ldGhpbmcgbG9ja2xlc3MgdG8gYXZvaWQg dGhlIHdob2xlIGlzc3VlIHdpdGggbGF0ZW5jeQ0KPiBvdmVyIHRoZSBsb25nIGxpc3QsIGJ1dCBh bnl0aGluZyB0aGF0IGhhcyB0aGUgd2FpdCBxdWV1ZSBlbnRyeSBhbGxvY2F0ZWQgb24gdGhlDQo+ IHN0YWNrIG5lZWRzIHRvIHN5bmNocm9uaXplIHRoZSB3YWtldXAgZHVlIHRvIHRoZSBzdGFjayB1 c2FnZSwgc28gb25jZSB5b3UNCj4gaGF2ZSBsaXN0cyB0aGF0IGFyZSB0aG91c2FuZHMgb2YgZW50 cmllcywgZWl0aGVyIHlvdSBob2xkIHRoZSBsb2NrIGZvciBsb25nDQo+IHRpbWVzIChub3JtYWwg d2FpdCBxdWV1ZXMpIG9yIHRha2UgYW5kIHJlbGVhc2UgdGhlbSBjb25zdGFudGx5ICh0aGUgc3dh 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