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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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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