From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f69.google.com (mail-lf0-f69.google.com [209.85.215.69]) by kanga.kvack.org (Postfix) with ESMTP id 6E4866B0286 for ; Fri, 23 Sep 2016 05:44:55 -0400 (EDT) Received: by mail-lf0-f69.google.com with SMTP id n4so54694057lfb.3 for ; Fri, 23 Sep 2016 02:44:55 -0700 (PDT) Received: from smtp-out6.electric.net (smtp-out6.electric.net. [192.162.217.189]) by mx.google.com with ESMTPS id o140si3170017lff.163.2016.09.23.02.44.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 23 Sep 2016 02:44:53 -0700 (PDT) From: David Laight Subject: RE: [PATCH v2] fs/select: add vmalloc fallback for select(2) Date: Fri, 23 Sep 2016 09:42:07 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB0107DC8@AcuExch.aculab.com> References: <20160922164359.9035-1-vbabka@suse.cz> <1474562982.23058.140.camel@edumazet-glaptop3.roam.corp.google.com> <12efc491-a0e7-1012-5a8b-6d3533c720db@suse.cz> <1474564068.23058.144.camel@edumazet-glaptop3.roam.corp.google.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: 'Vlastimil Babka' , Eric Dumazet Cc: Alexander Viro , Andrew Morton , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Michal Hocko , "netdev@vger.kernel.org" , Linux API , "linux-man@vger.kernel.org" RnJvbTogVmxhc3RpbWlsIEJhYmthDQo+IFNlbnQ6IDIyIFNlcHRlbWJlciAyMDE2IDE4OjU1DQou Li4NCj4gU28gaW4gdGhlIGNhc2Ugb2Ygc2VsZWN0KCkgaXQgc2VlbXMgbGlrZSB0aGUgbWVtb3J5 IHdlIG5lZWQgNiBiaXRzIHBlciBmaWxlDQo+IGRlc2NyaXB0b3IsIG11bHRpcGxpZWQgYnkgdGhl IGhpZ2hlc3QgcG9zc2libGUgZmlsZSBkZXNjcmlwdG9yIChuZmRzKSBhcyBwYXNzZWQNCj4gdG8g dGhlIHN5c2NhbGwuIEFjY29yZGluZyB0byB0aGUgbWFuIHBhZ2Ugb2Ygc2VsZWN0Og0KPiANCj4g ICAgICAgICBFSU5WQUwgbmZkcyBpcyBuZWdhdGl2ZSBvciBleGNlZWRzIHRoZSBSTElNSVRfTk9G SUxFIHJlc291cmNlIGxpbWl0IChzZWUNCj4gZ2V0cmxpbWl0KDIpKS4NCg0KVGhhdCBzZWNvbmQg Y2xhdXNlIGlzIHJlbGF0aXZlbHkgcmVjZW50Lg0KDQo+IFRoZSBjb2RlIGFjdHVhbGx5IHNlZW1z IHRvIHNpbGVudGx5IGNhcCB0aGUgdmFsdWUgaW5zdGVhZCBvZiByZXR1cm5pbmcgRUlOVkFMDQo+ IHRob3VnaD8gKElJVUMpOg0KPiANCj4gICAgICAgICAvKiBtYXhfZmRzIGNhbiBpbmNyZWFzZSwg c28gZ3JhYiBpdCBvbmNlIHRvIGF2b2lkIHJhY2UgKi8NCj4gICAgICAgICAgcmN1X3JlYWRfbG9j aygpOw0KPiAgICAgICAgICBmZHQgPSBmaWxlc19mZHRhYmxlKGN1cnJlbnQtPmZpbGVzKTsNCj4g ICAgICAgICAgbWF4X2ZkcyA9IGZkdC0+bWF4X2ZkczsNCj4gICAgICAgICAgcmN1X3JlYWRfdW5s b2NrKCk7DQo+ICAgICAgICAgIGlmIChuID4gbWF4X2ZkcykNCj4gICAgICAgICAgICAgICAgICBu ID0gbWF4X2ZkczsNCj4gDQo+IFRoZSBkZWZhdWx0IGZvciB0aGlzIGNhcCBzZWVtcyB0byBiZSAx MDI0IHdoZXJlIEkgY2hlY2tlZCAoYWdhaW4sIElJVUMsIGl0J3MNCj4gd2hhdCB1bGltaXQgLW4g cmV0dXJucz8pLiBJIHdhc24ndCBhYmxlIHRvIGNoYW5nZSBpdCB0byBtb3JlIHRoYW4gMjA0OCwg d2hpY2gNCj4gbWFrZXMgdGhlIGJpdG1hcHMgc3RpbGwgYmVsb3cgUEFHRV9TSVpFLg0KPiANCj4g U28gaWYgSSBnZXQgdGhhdCByaWdodCwgdGhlIHN5c3RlbSBhZG1pbiB3b3VsZCBoYXZlIHRvIGFs bG93IHJlYWxseSBsYXJnZQ0KPiBSTElNSVRfTk9GSUxFIHRvIGV2ZW4gbWFrZSB2bWFsbG9jKCkg cG9zc2libGUgaGVyZS4gU28gSSBkb24ndCBzZWUgaXQgYXMgYSBsYXJnZQ0KPiBjb25jZXJuPw0K DQo0ayBvcGVuIGZpbGVzIGlzbid0IHRoYXQgbWFueS4NCkVzcGVjaWFsbHkgZm9yIHByb2dyYW1z IHRoYXQgYXJlIHVzaW5nIHBpcGVzIHRvIGVtdWxhdGUgd2luZG93cyBldmVudHMuDQoNCkkgc3Vz cGVjdCB0aGF0IGZkdC0+bWF4X2ZkcyBpcyBhbiB1cHBlciBib3VuZCBmb3IgdGhlIGhpZ2hlc3Qg ZmQgdGhlDQpwcm9jZXNzIGhhcyBvcGVuIC0gbm90IHRoZSBSTElNSVRfTk9GSUxFIHZhbHVlLg0K c2VsZWN0KCkgc2hvdWxkbid0IGJlIHNpbGVudGx5IGlnbm9yaW5nIGxhcmdlIHZhbHVlcyBvZiAn bicgdW5sZXNzDQp0aGUgZmRfc2V0IGJpdHMgYXJlIHplcm8uDQoNCk9mIGNvdXJzZSwgc2VsZWN0 IGRvZXMgc2NhbGUgd2VsbCBmb3IgaGlnaCBudW1iZXJlZCBmZHMNCmFuZCBuZWl0aGVyIHBvbGwg bm9yIHNlbGVjdCBzY2FsZSB3ZWxsIGZvciBsYXJnZSBudW1iZXJzIG9mIGZkcy4NCg0KCURhdmlk 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