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 A1F1BC282DD for ; Wed, 22 May 2019 22:40:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 37F6420881 for ; Wed, 22 May 2019 22:40:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37F6420881 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 11BCF6B0006; Wed, 22 May 2019 18:40:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0CD036B0007; Wed, 22 May 2019 18:40:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F251E6B0008; Wed, 22 May 2019 18:40:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by kanga.kvack.org (Postfix) with ESMTP id BABC56B0006 for ; Wed, 22 May 2019 18:40:05 -0400 (EDT) Received: by mail-pg1-f198.google.com with SMTP id s5so2489843pgv.21 for ; Wed, 22 May 2019 15:40:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:thread-topic:thread-index:date:message-id:references :in-reply-to:accept-language:content-language:user-agent:content-id :content-transfer-encoding:mime-version; bh=KXJLFOTepUuro+Nn6RH2h7c9Z0DgbzpITHufBWTg7a8=; b=sWrcgEzoGh76HMPcVWx3k95jfRK8Y1DZOexo+vd+3v1tVIw0NHKQM7MbShHbaFnNiG sZH5HwtPu3DueAejIXlv8ut/2NqqsLSqOrOSkj2oaTxPbn3fIMdFZa+8uuwXR0PTRQbF aDU22UxOH2pFr7UQjUENu26njsWy+FXzrtyD5yUTE4jrQHTMwFeSpyFeUdPFDBI8+WsX 9Ny/csXUzS/FDzT4tXF+3FISGlCWg3ktV+RKfcJ+E0lOX2HLu3p8BH0oWB22S0ZUABvm 2MgO1GkMBLtjO0PkNV2JncwH0ioqStUgPfJn5R1iyGDSREPr3XjPgfUJVOGBIcS9TUon 4Gtg== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of rick.p.edgecombe@intel.com designates 192.55.52.151 as permitted sender) smtp.mailfrom=rick.p.edgecombe@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Gm-Message-State: APjAAAWf4Rr+VJlC/1GfdumWvYpQKqUX4HgbAA9j8UeZ7c5Gto98N4XS zlWtmss0IQTYtcIVPIVwA2IOtQx0XIOwBI/55Mi+Yt2mIRkEHt0g/nlHDi6QZe8AQFX05XHXoJz R1/6tii0B58RD8Aj3s9BuETPL15Ban+knDb2ay5MU/ML85ZVpbEsoLqLIsmVcIGaR4Q== X-Received: by 2002:a17:902:704c:: with SMTP id h12mr37776517plt.65.1558564805344; Wed, 22 May 2019 15:40:05 -0700 (PDT) X-Google-Smtp-Source: APXvYqz4WOE56O/RZI/AdVPspiJHpSPHiZnsGINGSBnzMaonfTVEcuELrAWOIwXSdp5t3fbc3h1N X-Received: by 2002:a17:902:704c:: with SMTP id h12mr37776442plt.65.1558564804223; Wed, 22 May 2019 15:40:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558564804; cv=none; d=google.com; s=arc-20160816; b=FWlISIWV3VTsj9xQ76cJ+e0JmtckO3YzTF9scxWEN5WIl+J2/fqCrSUDpANnivCqgu CYb7ljhnGBOS9YhRrOaPOiuTadp8MrM28GJxu9ArkbWfr325WeZEe/agZnKlZW6vD5TI HmQ5W+7CpQaJiWxqKdDnnHdMX05XewXsFNYVhyAESpYSKANdNPIaRzLHLwM/9Xn0wHD4 +PKuO/GixBQV70WXTCLAbV5AscYc4uIr4AqYrcjNGxZqd9XVMTd80T7HolGrG1oS1H51 lPyNBH33vArwCV28wVQQ6mTYeCWBs4cOudeZGGtAbUnIDKHepTPQp7BzbqNE4GeuXJrk ZJVw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:content-transfer-encoding:content-id:user-agent :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from; bh=KXJLFOTepUuro+Nn6RH2h7c9Z0DgbzpITHufBWTg7a8=; b=C8yo3+Lj48GBaxYkAOS9y8zCSeVDcePB1bLlIfVIzU5BDRCCUh/OCq2ho3ssCOJOEf jQr1dGkKSwLS31h7NRAHAfInZEg6tTcfQ3LFZkxW1nO4uHX1ZXi14TgIBuQQ+flokeXH OPsQE91aarpBp7hTx9ZoP5lQt0momD9FyTtgNDHO4aEAFiPp9NNOhQH4HAIGVHVrJWik nIpY0fxvy0nvlwis8ncXsNe1p3ZNXEjbDMjjSQCrC+lWedGp/BOPYGq+Snt5AP3R6ctS JPgYTrfghHLUi9mVRscnC/dXgjEZNkEWLbpECbJ2T8DZv0NJYO+CIWlyICNMfU+MSPCj LdEg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of rick.p.edgecombe@intel.com designates 192.55.52.151 as permitted sender) smtp.mailfrom=rick.p.edgecombe@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga17.intel.com (mga17.intel.com. [192.55.52.151]) by mx.google.com with ESMTPS id d14si1325108pls.230.2019.05.22.15.40.04 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 May 2019 15:40:04 -0700 (PDT) Received-SPF: pass (google.com: domain of rick.p.edgecombe@intel.com designates 192.55.52.151 as permitted sender) client-ip=192.55.52.151; Authentication-Results: mx.google.com; spf=pass (google.com: domain of rick.p.edgecombe@intel.com designates 192.55.52.151 as permitted sender) smtp.mailfrom=rick.p.edgecombe@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 May 2019 15:40:03 -0700 X-ExtLoop1: 1 Received: from orsmsx110.amr.corp.intel.com ([10.22.240.8]) by fmsmga006.fm.intel.com with ESMTP; 22 May 2019 15:40:03 -0700 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.79]) by ORSMSX110.amr.corp.intel.com ([169.254.10.7]) with mapi id 14.03.0415.000; Wed, 22 May 2019 15:40:02 -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/uwAgAALkwCAAAiygIAAGYEAgAADqwCAAA0vgIAABnMAgAAEjYCAApkWgIAAHb0AgAA1/4A= Date: Wed, 22 May 2019 22:40:02 +0000 Message-ID: <2d8c59be7e591a0d0ff17627ea34ea1eaa110a09.camel@intel.com> References: <20190520.184336.743103388474716249.davem@davemloft.net> <339ef85d984f329aa66f29fa80781624e6e4aecc.camel@intel.com> <20190522.104019.40493905027242516.davem@davemloft.net> <01a23900329e605fcd41ad8962cfd8f2d9b1fa44.camel@intel.com> In-Reply-To: <01a23900329e605fcd41ad8962cfd8f2d9b1fa44.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: [10.254.91.116] Content-Type: text/plain; charset="utf-8" Content-ID: <92CE99CE339FFD40BC573E4C2B685475@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: T24gV2VkLCAyMDE5LTA1LTIyIGF0IDEyOjI2IC0wNzAwLCBSaWNrIEVkZ2Vjb21iZSB3cm90ZToN Cj4gT24gV2VkLCAyMDE5LTA1LTIyIGF0IDEwOjQwIC0wNzAwLCBEYXZpZCBNaWxsZXIgd3JvdGU6 DQo+ID4gRnJvbTogIkVkZ2Vjb21iZSwgUmljayBQIiA8cmljay5wLmVkZ2Vjb21iZUBpbnRlbC5j b20+DQo+ID4gRGF0ZTogVHVlLCAyMSBNYXkgMjAxOSAwMTo1OTo1NCArMDAwMA0KPiA+IA0KPiA+ ID4gT24gTW9uLCAyMDE5LTA1LTIwIGF0IDE4OjQzIC0wNzAwLCBEYXZpZCBNaWxsZXIgd3JvdGU6 DQo+ID4gPiA+IEZyb206ICJFZGdlY29tYmUsIFJpY2sgUCIgPHJpY2sucC5lZGdlY29tYmVAaW50 ZWwuY29tPg0KPiA+ID4gPiBEYXRlOiBUdWUsIDIxIE1heSAyMDE5IDAxOjIwOjMzICswMDAwDQo+ ID4gPiA+IA0KPiA+ID4gPiA+IFNob3VsZCBpdCBoYW5kbGUgZXhlY3V0aW5nIGFuIHVubWFwcGVk IHBhZ2UgZ3JhY2VmdWxseT8NCj4gPiA+ID4gPiBCZWNhdXNlDQo+ID4gPiA+ID4gdGhpcw0KPiA+ ID4gPiA+IGNoYW5nZSBpcyBjYXVzaW5nIHRoYXQgdG8gaGFwcGVuIG11Y2ggZWFybGllci4gSWYg c29tZXRoaW5nDQo+ID4gPiA+ID4gd2FzDQo+ID4gPiA+ID4gcmVseWluZw0KPiA+ID4gPiA+IG9u IGEgY2FjaGVkIHRyYW5zbGF0aW9uIHRvIGV4ZWN1dGUgc29tZXRoaW5nIGl0IGNvdWxkIGZpbmQN Cj4gPiA+ID4gPiB0aGUNCj4gPiA+ID4gPiBtYXBwaW5nDQo+ID4gPiA+ID4gZGlzYXBwZWFyLg0K PiA+ID4gPiANCj4gPiA+ID4gRG9lcyB0aGlzIHdvcmsgYnkgbm90IG1hcHBpbmcgYW55IGtlcm5l bCBtYXBwaW5ncyBhdCB0aGUNCj4gPiA+ID4gYmVnaW5uaW5nLA0KPiA+ID4gPiBhbmQgdGhlbiBm aWxsaW5nIGluIHRoZSBCUEYgbWFwcGluZ3MgaW4gcmVzcG9uc2UgdG8gZmF1bHRzPw0KPiA+ID4g Tm8sIG5vdGhpbmcgdG9vIGZhbmN5LiBJdCBqdXN0IGZsdXNoZXMgdGhlIHZtIG1hcHBpbmcgaW1t ZWRpYXRseQ0KPiA+ID4gaW4NCj4gPiA+IHZmcmVlIGZvciBleGVjdXRlIChhbmQgUk8pIG1hcHBp bmdzLiBUaGUgb25seSB0aGluZyB0aGF0IGhhcHBlbnMNCj4gPiA+IGFyb3VuZA0KPiA+ID4gYWxs b2NhdGlvbiB0aW1lIGlzIHNldHRpbmcgb2YgYSBuZXcgZmxhZyB0byB0ZWxsIHZtYWxsb2MgdG8g ZG8NCj4gPiA+IHRoZQ0KPiA+ID4gZmx1c2guDQo+ID4gPiANCj4gPiA+IFRoZSBwcm9ibGVtIGJl Zm9yZSB3YXMgdGhhdCB0aGUgcGFnZXMgd291bGQgYmUgZnJlZWQgYmVmb3JlIHRoZQ0KPiA+ID4g ZXhlY3V0ZQ0KPiA+ID4gbWFwcGluZyB3YXMgZmx1c2hlZC4gU28gdGhlbiB3aGVuIHRoZSBwYWdl cyBnb3QgcmVjeWNsZWQsIHJhbmRvbSwNCj4gPiA+IHNvbWV0aW1lcyBjb21pbmcgZnJvbSB1c2Vy c3BhY2UsIGRhdGEgd291bGQgYmUgbWFwcGVkIGFzDQo+ID4gPiBleGVjdXRhYmxlDQo+ID4gPiBp bg0KPiA+ID4gdGhlIGtlcm5lbCBieSB0aGUgdW4tZmx1c2hlZCB0bGIgZW50cmllcy4NCj4gPiAN Cj4gPiBJZiBJIGFtIHRvIHVuZGVyc3RhbmQgdGhpbmdzIGNvcnJlY3RseSwgdGhlcmUgd2FzIGEg Y2FzZSB3aGVyZQ0KPiA+ICdlbmQnDQo+ID4gY291bGQgYmUgc21hbGxlciB0aGFuICdzdGFydCcg d2hlbiBkb2luZyBhIHJhbmdlIGZsdXNoLiAgVGhhdCB3b3VsZA0KPiA+IGRlZmluaXRlbHkga2ls bCBzb21lIG9mIHRoZSBzcGFyYzY0IFRMQiBmbHVzaCByb3V0aW5lcy4NCj4gDQo+IE9rLCB0aGFu a3MuDQo+IA0KPiBUaGUgcGF0Y2ggYXQgdGhlIGJlZ2lubmluZyBvZiB0aGlzIHRocmVhZCBkb2Vz bid0IGhhdmUgdGhhdCBiZWhhdmlvcg0KPiB0aG91Z2ggYW5kIGl0IGFwcGFyZW50bHkgc3RpbGwg aHVuZy4gSSBhc2tlZCBpZiBNZWVsaXMgY291bGQgdGVzdA0KPiB3aXRoDQo+IHRoaXMgZmVhdHVy ZSBkaXNhYmxlZCBhbmQgREVCVUdfUEFHRUFMTE9DIG9uLCBzaW5jZSBpdCBmbHVzaGVzIG9uDQo+ IGV2ZXJ5DQo+IHZmcmVlIGFuZCBpcyBub3QgbmV3IGxvZ2ljLCBhbmQgYWxzbyB3aXRoIGEgcGF0 Y2ggdGhhdCBsb2dzIGV4YWN0IFRMQg0KPiBmbHVzaCByYW5nZXMgYW5kIGZhdWx0IGFkZHJlc3Nl cyBvbiB0b3Agb2YgdGhlIGtlcm5lbCBoYXZpbmcgdGhpcw0KPiBpc3N1ZS4gSG9wZWZ1bGx5IHRo YXQgd2lsbCBzaGVkIHNvbWUgbGlnaHQuDQo+IA0KPiBTb3JyeSBmb3IgYWxsIHRoZSBub2lzZSBh bmQgc3BlY3VsYXRpb24gb24gdGhpcy4gSXQgaGFzIGJlZW4NCj4gZGlmZmljdWx0DQo+IHRvIGRl YnVnIHJlbW90ZWx5IHdpdGggYSB0ZXN0ZXIgYW5kIGRldmVsb3BlciBpbiBkaWZmZXJlbnQgdGlt ZQ0KPiB6b25lcy4NCj4gDQo+IA0KT2ssIHNvIHdpdGggYSBwYXRjaCB0byBkaXNhYmxlIHNldHRp bmcgdGhlIG5ldyB2bWFsbG9jIGZsdXNoIGZsYWcgb24NCmFyY2hpdGVjdHVyZXMgdGhhdCBoYXZl IG5vcm1hbCBtZW1vcnkgYXMgZXhlY3V0YWJsZSAoaW5jbHVkZXMgc3BhcmMpLA0KYm9vdCBzdWNj ZWVkcy4NCg0KV2l0aCB0aGlzIGRpc2FibGUgcGF0Y2ggYW5kIERFQlVHX1BBR0VBTExPQyBvbiwg aXQgaGFuZ3MgZWFybGllciB0aGFuDQpiZWZvcmUuIEdvaW5nIGZyb20gY2x1ZXMgaW4gb3RoZXIg bG9ncywgaXQgbG9va3MgbGlrZSBpdCBoYW5ncyByaWdodCBhdA0KdGhlIGZpcnN0IG5vcm1hbCB2 ZnJlZS4NCg0KVGhhbmtzIGZvciBhbGwgdGhlIHRlc3RpbmcgTWVlbGlzIQ0KDQpTbyBpdCBzZWVt cyBsaWtlIG90aGVyLCBub3QgbmV3LCBUTEIgZmx1c2hlcyBhbHNvIHRyaWdnZXIgdGhlIGhhbmcu DQoNCkZyb20gZWFybGllciBsb2dzIHByb3ZpZGVkLCB0aGlzIHZmcmVlIHdvdWxkIGJlIHRoZSBm aXJzdCBjYWxsIHRvDQpmbHVzaF90bGJfa2VybmVsX3JhbmdlKCksIGFuZCBiZWZvcmUgYW55IEJQ RiBhbGxvY2F0aW9ucyBhcHBlYXIgaW4gdGhlDQpsb2dzLiBTbyBJIGFtIHN1c3BlY3Rpbmcgc29t ZSBvdGhlciBjYXVzZSB0aGFuIHRoZSBiaXNlY3RlZCBwYXRjaCBhdA0KdGhpcyBwb2ludCwgYnV0 IEkgZ3Vlc3MgaXQncyBub3QgZnVsbHkgY29uY2x1c2l2ZS4NCg0KSXQgY291bGQgYmUgaW5mb3Jt YXRpdmUgdG8gYmlzZWN0IHVwc3RyZWFtIGFnYWluIHdpdGggdGhlDQpERUJVR19QQUdFQUxMT0Mg Y29uZmlncyBvbiwgdG8gc2VlIGlmIGl0IGluZGVlZCBwb2ludHMgdG8gYW4gZWFybGllcg0KY29t bWl0Lg0K