From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx109.postini.com [74.125.245.109]) by kanga.kvack.org (Postfix) with SMTP id 190646B0031 for ; Tue, 23 Jul 2013 21:21:46 -0400 (EDT) From: Lisa Du Date: Tue, 23 Jul 2013 18:21:29 -0700 Subject: RE: Possible deadloop in direct reclaim? Message-ID: <89813612683626448B837EE5A0B6A7CB3B62F8F5C3@SC-VEXCH4.marvell.com> References: <89813612683626448B837EE5A0B6A7CB3B62F8F272@SC-VEXCH4.marvell.com> <000001400d38469d-a121fb96-4483-483a-9d3e-fc552e413892-000000@email.amazonses.com> In-Reply-To: <000001400d38469d-a121fb96-4483-483a-9d3e-fc552e413892-000000@email.amazonses.com> Content-Language: en-US Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: "linux-mm@kvack.org" , Mel Gorman , Bob Liu RGVhciBDaHJpc3RvcGgNCiAgIFRoYW5rcyBhIGxvdCBmb3IgeW91ciBjb21tZW50LiBXaGVuIHRo aXMgaXNzdWUgaGFwcGVuIEkganVzdCB0cmlnZ2VyIGEga2VybmVsIHBhbmljIGFuZCBnb3QgdGhl IGtkdW1wLg0KRnJvbSB0aGUga2R1bXAsIEkgZ290IHRoZSBnbG9iYWwgdmFyaWFibGUgcGdfZGF0 YV90IGNvbmdpdF9wYWdlX2RhdGEuIEZyb20gdGhpcyBzdHJ1Y3R1cmUsIEkgY2FuIHNlZSBpbiBu b3JtYWwgem9uZSwgb25seSBvcmRlci0wJ3MgbnJfZnJlZSA9IDE4NDQyLCBvcmRlci0xJ3MgbnJf ZnJlZSA9IDM2NywgYWxsIHRoZSBvdGhlciBvcmRlcidzIG5yX2ZyZWUgaXMgMC4NCg0KVGhhbmtz IQ0KDQpCZXN0IFJlZ2FyZHMNCkxpc2EgRHUNCg0KDQotLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0t LQ0KRnJvbTogQ2hyaXN0b3BoIExhbWV0ZXIgW21haWx0bzpjbEBsaW51eC5jb21dIA0KU2VudDog MjAxM8TqN9TCMjTI1SA0OjI5DQpUbzogTGlzYSBEdQ0KQ2M6IGxpbnV4LW1tQGt2YWNrLm9yZzsg TWVsIEdvcm1hbg0KU3ViamVjdDogUmU6IFBvc3NpYmxlIGRlYWRsb29wIGluIGRpcmVjdCByZWNs YWltPw0KDQpPbiBNb24sIDIyIEp1bCAyMDEzLCBMaXNhIER1IHdyb3RlOg0KDQo+IEN1cnJlbnRs eSBJIG1ldCBhIHBvc3NpYmxlIGRlYWRsb29wIGluIGRpcmVjdCByZWNsYWltLiBBZnRlciBydW4g cGxlbnR5IG9mIHRoZSBhcHBsaWNhdGlvbiwgc3lzdGVtIHJ1biBpbnRvIGEgc3RhdHVzIHRoYXQg c3lzdGVtIG1lbW9yeSBpcyB2ZXJ5IGZyYWdtZW50aXplZC4gTGlrZSBvbmx5IG9yZGVyLTAgYW5k IG9yZGVyLTEgbWVtb3J5IGxlZnQuDQoNCkNhbiB5b3UgdmVyaWZ5IHRoYXQgYnkgZG9pbmcgYQ0K DQogY2F0IC9wcm9jL2J1ZGR5aW5mbw0KDQo/DQoNCj4gVGhlbiBvbmUgcHJvY2VzcyByZXF1aXJl ZCBhIG9yZGVyLTIgYnVmZmVyIGJ1dCBpdCBlbnRlciBhbiBlbmRsZXNzDQo+IGRpcmVjdCByZWNs YWltLiBGcm9tIG15IHRyYWNlIGxvZywgSSBjYW4gc2VlIHRoaXMgbG9vcCBhbHJlYWR5IG92ZXIN Cj4gMjAwLDAwMCB0aW1lcy4gS3N3YXBkIHdhcyBmaXJzdCB3YWtlIHVwIGFuZCB0aGVuIGdvIGJh Y2sgdG8gc2xlZXAgYXMgaXQNCj4gY2Fubm90IHJlYmFsYW5jZSB0aGlzIG9yZGVyJ3MgbWVtb3J5 LiBCdXQgem9uZS0+YWxsX3VucmVjbGFpbWFibGUNCj4gcmVtYWlucyAxLiBUaG91Z2ggZGlyZWN0 X3JlY2xhaW0gZXZlcnkgdGltZSByZXR1cm5zIG5vIHBhZ2VzLCBidXQgYXMNCj4gem9uZS0+YWxs X3VucmVjbGFpbWFibGUgPSAxLCBzbyBpdCBsb29wIGFnYWluIGFuZCBhZ2Fpbi4gRXZlbiB3aGVu DQo+IHpvbmUtPnBhZ2VzX3NjYW5uZWQgYWxzbyBiZWNvbWVzIHZlcnkgbGFyZ2UuIEl0IHdpbGwg YmxvY2sgdGhlIHByb2Nlc3MNCj4gZm9yIGxvbmcgdGltZSwgdW50aWwgc29tZSB3YXRjaGRvZyB0 aHJlYWQgZGV0ZWN0IHRoaXMgYW5kIGtpbGwgdGhpcw0KPiBwcm9jZXNzLiBUaG91Z2ggaXQncyBp biBfX2FsbG9jX3BhZ2VzX3Nsb3dwYXRoLCBidXQgaXQncyB0b28gc2xvdyByaWdodD8NCj4gTWF5 YmUgY29zdCBvdmVyIDUwIHNlY29uZHMgb3IgZXZlbiBtb3JlLg0KDQo+IEkgdGhpbmsgaXQncyBu b3QgYXMgZXhwZWN0ZWQgcmlnaHQ/ICBDYW4gd2UgYWxzbyBhZGQgYmVsb3cgY2hlY2sgaW4gdGhl DQo+IGZ1bmN0aW9uIGFsbF91bnJlY2xhaW1hYmxlKCkgdG8gdGVybWluYXRlIHRoaXMgbG9vcD8N Cj4NCj4gQEAgLTIzNTUsNiArMjM1NSw4IEBAIHN0YXRpYyBib29sIGFsbF91bnJlY2xhaW1hYmxl KHN0cnVjdCB6b25lbGlzdCAqem9uZWxpc3QsDQo+ICAgICAgICAgICAgICAgICAgICAgICAgIGNv bnRpbnVlOw0KPiAgICAgICAgICAgICAgICAgaWYgKCF6b25lLT5hbGxfdW5yZWNsYWltYWJsZSkN Cj4gICAgICAgICAgICAgICAgICAgICAgICAgcmV0dXJuIGZhbHNlOw0KPiArICAgICAgICAgICAg ICAgaWYgKHNjLT5ucl9yZWNsYWltZWQgPT0gMCAmJiAhem9uZV9yZWNsYWltYWJsZSh6b25lKSkN Cj4gKyAgICAgICAgICAgICAgICAgICAgICAgcmV0dXJuIHRydWU7DQo+ICAgICAgICAgfQ0KDQpN ZWw/DQoNCg== -- 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