From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2F68C072B5 for ; Fri, 24 May 2019 15:50:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8BCD3217D7 for ; Fri, 24 May 2019 15:50:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389870AbfEXPuv (ORCPT ); Fri, 24 May 2019 11:50:51 -0400 Received: from mga17.intel.com ([192.55.52.151]:55161 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389496AbfEXPuu (ORCPT ); Fri, 24 May 2019 11:50:50 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 May 2019 08:50:50 -0700 X-ExtLoop1: 1 Received: from orsmsx102.amr.corp.intel.com ([10.22.225.129]) by fmsmga001.fm.intel.com with ESMTP; 24 May 2019 08:50:49 -0700 Received: from orsmsx126.amr.corp.intel.com (10.22.240.126) by ORSMSX102.amr.corp.intel.com (10.22.225.129) with Microsoft SMTP Server (TLS) id 14.3.408.0; Fri, 24 May 2019 08:50:49 -0700 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.79]) by ORSMSX126.amr.corp.intel.com ([169.254.4.35]) with mapi id 14.03.0415.000; Fri, 24 May 2019 08:50:49 -0700 From: "Edgecombe, Rick P" To: "davem@davemloft.net" CC: "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "linux-mm@kvack.org" , "mroos@linux.ee" , "mingo@redhat.com" , "namit@vmware.com" , "luto@kernel.org" , "bp@alien8.de" , "netdev@vger.kernel.org" , "Hansen, Dave" , "sparclinux@vger.kernel.org" Subject: Re: [PATCH v2] vmalloc: Fix issues with flush flag Thread-Topic: [PATCH v2] vmalloc: Fix issues with flush flag Thread-Index: AQHVD0ezpbXySuUS5EinefGl750kkaZ0/uwAgAALkwCAAAiygIAAGYEAgAADqwCAAA0vgIAABnMAgAAEjYCAApkWgIAAHb0AgAA1/4CAArJUAA== Date: Fri, 24 May 2019 15:50:48 +0000 Message-ID: References: <20190520.184336.743103388474716249.davem@davemloft.net> <339ef85d984f329aa66f29fa80781624e6e4aecc.camel@intel.com> <20190522.104019.40493905027242516.davem@davemloft.net> <01a23900329e605fcd41ad8962cfd8f2d9b1fa44.camel@intel.com> <2d8c59be7e591a0d0ff17627ea34ea1eaa110a09.camel@intel.com> In-Reply-To: <2d8c59be7e591a0d0ff17627ea34ea1eaa110a09.camel@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.30.1 (3.30.1-1.fc29) x-originating-ip: [10.251.0.167] Content-Type: text/plain; charset="utf-8" Content-ID: <3FAE5003E9627F419617E9DC8A2441C1@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org T24gV2VkLCAyMDE5LTA1LTIyIGF0IDE1OjQwIC0wNzAwLCBSaWNrIEVkZ2Vjb21iZSB3cm90ZToN Cj4gT24gV2VkLCAyMDE5LTA1LTIyIGF0IDEyOjI2IC0wNzAwLCBSaWNrIEVkZ2Vjb21iZSB3cm90 ZToNCj4gPiBPbiBXZWQsIDIwMTktMDUtMjIgYXQgMTA6NDAgLTA3MDAsIERhdmlkIE1pbGxlciB3 cm90ZToNCj4gPiA+IEZyb206ICJFZGdlY29tYmUsIFJpY2sgUCIgPHJpY2sucC5lZGdlY29tYmVA aW50ZWwuY29tPg0KPiA+ID4gRGF0ZTogVHVlLCAyMSBNYXkgMjAxOSAwMTo1OTo1NCArMDAwMA0K PiA+ID4gDQo+ID4gPiA+IE9uIE1vbiwgMjAxOS0wNS0yMCBhdCAxODo0MyAtMDcwMCwgRGF2aWQg TWlsbGVyIHdyb3RlOg0KPiA+ID4gPiA+IEZyb206ICJFZGdlY29tYmUsIFJpY2sgUCIgPHJpY2su cC5lZGdlY29tYmVAaW50ZWwuY29tPg0KPiA+ID4gPiA+IERhdGU6IFR1ZSwgMjEgTWF5IDIwMTkg MDE6MjA6MzMgKzAwMDANCj4gPiA+ID4gPiANCj4gPiA+ID4gPiA+IFNob3VsZCBpdCBoYW5kbGUg ZXhlY3V0aW5nIGFuIHVubWFwcGVkIHBhZ2UgZ3JhY2VmdWxseT8NCj4gPiA+ID4gPiA+IEJlY2F1 c2UNCj4gPiA+ID4gPiA+IHRoaXMNCj4gPiA+ID4gPiA+IGNoYW5nZSBpcyBjYXVzaW5nIHRoYXQg dG8gaGFwcGVuIG11Y2ggZWFybGllci4gSWYgc29tZXRoaW5nDQo+ID4gPiA+ID4gPiB3YXMNCj4g PiA+ID4gPiA+IHJlbHlpbmcNCj4gPiA+ID4gPiA+IG9uIGEgY2FjaGVkIHRyYW5zbGF0aW9uIHRv IGV4ZWN1dGUgc29tZXRoaW5nIGl0IGNvdWxkIGZpbmQNCj4gPiA+ID4gPiA+IHRoZQ0KPiA+ID4g PiA+ID4gbWFwcGluZw0KPiA+ID4gPiA+ID4gZGlzYXBwZWFyLg0KPiA+ID4gPiA+IA0KPiA+ID4g PiA+IERvZXMgdGhpcyB3b3JrIGJ5IG5vdCBtYXBwaW5nIGFueSBrZXJuZWwgbWFwcGluZ3MgYXQg dGhlDQo+ID4gPiA+ID4gYmVnaW5uaW5nLA0KPiA+ID4gPiA+IGFuZCB0aGVuIGZpbGxpbmcgaW4g dGhlIEJQRiBtYXBwaW5ncyBpbiByZXNwb25zZSB0byBmYXVsdHM/DQo+ID4gPiA+IE5vLCBub3Ro aW5nIHRvbyBmYW5jeS4gSXQganVzdCBmbHVzaGVzIHRoZSB2bSBtYXBwaW5nDQo+ID4gPiA+IGlt bWVkaWF0bHkNCj4gPiA+ID4gaW4NCj4gPiA+ID4gdmZyZWUgZm9yIGV4ZWN1dGUgKGFuZCBSTykg bWFwcGluZ3MuIFRoZSBvbmx5IHRoaW5nIHRoYXQNCj4gPiA+ID4gaGFwcGVucw0KPiA+ID4gPiBh cm91bmQNCj4gPiA+ID4gYWxsb2NhdGlvbiB0aW1lIGlzIHNldHRpbmcgb2YgYSBuZXcgZmxhZyB0 byB0ZWxsIHZtYWxsb2MgdG8gZG8NCj4gPiA+ID4gdGhlDQo+ID4gPiA+IGZsdXNoLg0KPiA+ID4g PiANCj4gPiA+ID4gVGhlIHByb2JsZW0gYmVmb3JlIHdhcyB0aGF0IHRoZSBwYWdlcyB3b3VsZCBi ZSBmcmVlZCBiZWZvcmUgdGhlDQo+ID4gPiA+IGV4ZWN1dGUNCj4gPiA+ID4gbWFwcGluZyB3YXMg Zmx1c2hlZC4gU28gdGhlbiB3aGVuIHRoZSBwYWdlcyBnb3QgcmVjeWNsZWQsDQo+ID4gPiA+IHJh bmRvbSwNCj4gPiA+ID4gc29tZXRpbWVzIGNvbWluZyBmcm9tIHVzZXJzcGFjZSwgZGF0YSB3b3Vs ZCBiZSBtYXBwZWQgYXMNCj4gPiA+ID4gZXhlY3V0YWJsZQ0KPiA+ID4gPiBpbg0KPiA+ID4gPiB0 aGUga2VybmVsIGJ5IHRoZSB1bi1mbHVzaGVkIHRsYiBlbnRyaWVzLg0KPiA+ID4gDQo+ID4gPiBJ ZiBJIGFtIHRvIHVuZGVyc3RhbmQgdGhpbmdzIGNvcnJlY3RseSwgdGhlcmUgd2FzIGEgY2FzZSB3 aGVyZQ0KPiA+ID4gJ2VuZCcNCj4gPiA+IGNvdWxkIGJlIHNtYWxsZXIgdGhhbiAnc3RhcnQnIHdo ZW4gZG9pbmcgYSByYW5nZSBmbHVzaC4gIFRoYXQNCj4gPiA+IHdvdWxkDQo+ID4gPiBkZWZpbml0 ZWx5IGtpbGwgc29tZSBvZiB0aGUgc3BhcmM2NCBUTEIgZmx1c2ggcm91dGluZXMuDQo+ID4gDQo+ ID4gT2ssIHRoYW5rcy4NCj4gPiANCj4gPiBUaGUgcGF0Y2ggYXQgdGhlIGJlZ2lubmluZyBvZiB0 aGlzIHRocmVhZCBkb2Vzbid0IGhhdmUgdGhhdA0KPiA+IGJlaGF2aW9yDQo+ID4gdGhvdWdoIGFu ZCBpdCBhcHBhcmVudGx5IHN0aWxsIGh1bmcuIEkgYXNrZWQgaWYgTWVlbGlzIGNvdWxkIHRlc3QN Cj4gPiB3aXRoDQo+ID4gdGhpcyBmZWF0dXJlIGRpc2FibGVkIGFuZCBERUJVR19QQUdFQUxMT0Mg b24sIHNpbmNlIGl0IGZsdXNoZXMgb24NCj4gPiBldmVyeQ0KPiA+IHZmcmVlIGFuZCBpcyBub3Qg bmV3IGxvZ2ljLCBhbmQgYWxzbyB3aXRoIGEgcGF0Y2ggdGhhdCBsb2dzIGV4YWN0DQo+ID4gVExC DQo+ID4gZmx1c2ggcmFuZ2VzIGFuZCBmYXVsdCBhZGRyZXNzZXMgb24gdG9wIG9mIHRoZSBrZXJu ZWwgaGF2aW5nIHRoaXMNCj4gPiBpc3N1ZS4gSG9wZWZ1bGx5IHRoYXQgd2lsbCBzaGVkIHNvbWUg bGlnaHQuDQo+ID4gDQo+ID4gU29ycnkgZm9yIGFsbCB0aGUgbm9pc2UgYW5kIHNwZWN1bGF0aW9u IG9uIHRoaXMuIEl0IGhhcyBiZWVuDQo+ID4gZGlmZmljdWx0DQo+ID4gdG8gZGVidWcgcmVtb3Rl bHkgd2l0aCBhIHRlc3RlciBhbmQgZGV2ZWxvcGVyIGluIGRpZmZlcmVudCB0aW1lDQo+ID4gem9u ZXMuDQo+ID4gDQo+ID4gDQo+IE9rLCBzbyB3aXRoIGEgcGF0Y2ggdG8gZGlzYWJsZSBzZXR0aW5n IHRoZSBuZXcgdm1hbGxvYyBmbHVzaCBmbGFnIG9uDQo+IGFyY2hpdGVjdHVyZXMgdGhhdCBoYXZl IG5vcm1hbCBtZW1vcnkgYXMgZXhlY3V0YWJsZSAoaW5jbHVkZXMgc3BhcmMpLA0KPiBib290IHN1 Y2NlZWRzLg0KPiANCj4gV2l0aCB0aGlzIGRpc2FibGUgcGF0Y2ggYW5kIERFQlVHX1BBR0VBTExP QyBvbiwgaXQgaGFuZ3MgZWFybGllciB0aGFuDQo+IGJlZm9yZS4gR29pbmcgZnJvbSBjbHVlcyBp biBvdGhlciBsb2dzLCBpdCBsb29rcyBsaWtlIGl0IGhhbmdzIHJpZ2h0DQo+IGF0DQo+IHRoZSBm aXJzdCBub3JtYWwgdmZyZWUuDQo+IA0KPiBUaGFua3MgZm9yIGFsbCB0aGUgdGVzdGluZyBNZWVs aXMhDQo+IA0KPiBTbyBpdCBzZWVtcyBsaWtlIG90aGVyLCBub3QgbmV3LCBUTEIgZmx1c2hlcyBh bHNvIHRyaWdnZXIgdGhlIGhhbmcuDQo+IA0KPiBGcm9tIGVhcmxpZXIgbG9ncyBwcm92aWRlZCwg dGhpcyB2ZnJlZSB3b3VsZCBiZSB0aGUgZmlyc3QgY2FsbCB0bw0KPiBmbHVzaF90bGJfa2VybmVs X3JhbmdlKCksIGFuZCBiZWZvcmUgYW55IEJQRiBhbGxvY2F0aW9ucyBhcHBlYXIgaW4NCj4gdGhl DQo+IGxvZ3MuIFNvIEkgYW0gc3VzcGVjdGluZyBzb21lIG90aGVyIGNhdXNlIHRoYW4gdGhlIGJp c2VjdGVkIHBhdGNoIGF0DQo+IHRoaXMgcG9pbnQsIGJ1dCBJIGd1ZXNzIGl0J3Mgbm90IGZ1bGx5 IGNvbmNsdXNpdmUuDQo+IA0KPiBJdCBjb3VsZCBiZSBpbmZvcm1hdGl2ZSB0byBiaXNlY3QgdXBz dHJlYW0gYWdhaW4gd2l0aCB0aGUNCj4gREVCVUdfUEFHRUFMTE9DIGNvbmZpZ3Mgb24sIHRvIHNl ZSBpZiBpdCBpbmRlZWQgcG9pbnRzIHRvIGFuIGVhcmxpZXINCj4gY29tbWl0Lg0KDQpTbyBub3cg TWVlbGlzIGhhcyBmb3VuZCB0aGF0IHRoZSBjb21taXQgYmVmb3JlIGFueSBvZiBteSB2bWFsbG9j DQpjaGFuZ2VzIGFsc28gaGFuZ3MgZHVyaW5nIGJvb3Qgd2l0aCBERUJVR19QQUdFQUxMT0Mgb24u IEl0IGRvZXMgdGhpcw0Kc2hvcnRseSBhZnRlciB0aGUgZmlyc3QgdmZyZWUsIHdoaWNoIERFQlVH X1BBR0VBTExPQyB3b3VsZCBvZiBjb3Vyc2UNCm1ha2UgdHJpZ2dlciBhIGZsdXNoX3RsYl9rZXJu ZWxfcmFuZ2UoKSBvbiB0aGUgYWxsb2NhdGlvbiBqdXN0IGxpa2UgbXkNCnZtYWxsb2MgY2hhbmdl cyBkbyBvbiBjZXJ0YWluIHZtYWxsb2NzLiBUaGUgdXBzdHJlYW0gY29kZSBjYWxscw0Kdm1fdW5t YXBfYWxpYXNlcygpIGluc3RlYWQgb2YgdGhlIGZsdXNoX3RsYl9rZXJuZWxfcmFuZ2UoKSBkaXJl Y3RseSwNCmJ1dCB3ZSBhbHNvIHRlc3RlZCBhIHZlcnNpb24gdGhhdCBjYWxsZWQgdGhlIGZsdXNo IGRpcmVjdGx5IG9uIGp1c3QgdGhlDQphbGxvY2F0aW9uIGFuZCBpdCBhbHNvIGh1bmcuIFNvIGl0 IHNlZW1zIGxpa2UgaXNzdWVzIGZsdXNoaW5nIHZtYWxsb2NzDQpvbiB0aGlzIHBsYXRmb3JtIGV4 aXN0IG91dHNpZGUgbXkgY29tbWl0cy4NCg0KSG93IGRvIHBlb3BsZSBmZWVsIGFib3V0IGNhbGxp bmcgdGhpcyBhIHNwYXJjIHNwZWNpZmljIGlzc3VlIHVuY292ZXJlZA0KYnkgbXkgcGF0Y2ggaW5z dGVhZCBvZiBjYXVzZWQgYnkgaXQgYXQgdGhpcyBwb2ludD8NCg0KSWYgcGVvcGxlIGFncmVlIHdp dGggdGhpcyBhc3Nlc21lbnQsIGl0IG9mIGNvdXJzZSBzdGlsbCBzZWVtcyBsaWtlIHRoZQ0KbmV3 IGNoYW5nZXMgdHVybiB0aGUgcm9vdCBjYXVzZSBpbnRvIGEgbW9yZSBpbXBhY3RmdWwgaXNzdWUg Zm9yIHRoaXMNCnNwZWNpZmljIGNvbWJpbmF0aW9uLiBPbiB0aGUgb3RoZXIgaGFuZCBJIGFtIG5v dCB0aGUgcmlnaHQgcGVyc29uIHRvDQpmaXggdGhlIHJvb3QgY2F1c2UgZm9yIHNldmVyYWwgcmVh c29ucyBpbmNsdWRpbmcgbm8gaGFyZHdhcmUgYWNjZXNzLiANCg0KT3RoZXJ3aXNlIEkgY291bGQg c3VibWl0IGEgcGF0Y2ggdG8gZGlzYWJsZSB0aGlzIGZvciBzcGFyYyBzaW5jZSBpdA0KZG9lc24n dCByZWFsbHkgZ2V0IGEgc2VjdXJpdHkgYmVuZWZpdCBmcm9tIGl0IGFueXdheS4gV2hhdCBkbyBw ZW9wbGUNCnRoaW5rPw0K