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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 03F07CA9EC6 for ; Wed, 30 Oct 2019 17:48:25 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C56F620659 for ; Wed, 30 Oct 2019 17:48:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C56F620659 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 6A9EB6B0003; Wed, 30 Oct 2019 13:48:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 65A5A6B0007; Wed, 30 Oct 2019 13:48:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 54A2F6B0008; Wed, 30 Oct 2019 13:48:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0208.hostedemail.com [216.40.44.208]) by kanga.kvack.org (Postfix) with ESMTP id 334D46B0003 for ; Wed, 30 Oct 2019 13:48:24 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id CFFE98249980 for ; Wed, 30 Oct 2019 17:48:23 +0000 (UTC) X-FDA: 76101185286.22.spade38_66481f4099258 X-HE-Tag: spade38_66481f4099258 X-Filterd-Recvd-Size: 3896 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Wed, 30 Oct 2019 17:48:22 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Oct 2019 10:48:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,248,1569308400"; d="scan'208";a="203266873" Received: from orsmsx103.amr.corp.intel.com ([10.22.225.130]) by orsmga003.jf.intel.com with ESMTP; 30 Oct 2019 10:48:20 -0700 Received: from orsmsx160.amr.corp.intel.com (10.22.226.43) by ORSMSX103.amr.corp.intel.com (10.22.225.130) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 30 Oct 2019 10:48:20 -0700 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.185]) by ORSMSX160.amr.corp.intel.com ([169.254.13.29]) with mapi id 14.03.0439.000; Wed, 30 Oct 2019 10:48:20 -0700 From: "Edgecombe, Rick P" To: "peterz@infradead.org" CC: "adobriyan@gmail.com" , "linux-kernel@vger.kernel.org" , "rppt@kernel.org" , "rostedt@goodmis.org" , "jejb@linux.ibm.com" , "tglx@linutronix.de" , "linux-mm@kvack.org" , "dave.hansen@linux.intel.com" , "linux-api@vger.kernel.org" , "x86@kernel.org" , "akpm@linux-foundation.org" , "hpa@zytor.com" , "mingo@redhat.com" , "luto@kernel.org" , "kirill@shutemov.name" , "bp@alien8.de" , "rppt@linux.ibm.com" , "arnd@arndb.de" Subject: Re: [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings Thread-Topic: [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings Thread-Index: AQHVjbnGcEUDTQSU2UGbl4rq5h7p8qdw7lIAgAARIwCAAVbQAIABFmkAgACBroA= Date: Wed, 30 Oct 2019 17:48:20 +0000 Message-ID: References: <1572171452-7958-1-git-send-email-rppt@kernel.org> <1572171452-7958-2-git-send-email-rppt@kernel.org> <20191028123124.ogkk5ogjlamvwc2s@box> <20191028130018.GA7192@rapoport-lnx> <20191028131623.zwuwguhm4v4s5imh@box> <20191028135521.GB4097@hirez.programming.kicks-ass.net> <0a35765f7412937c1775daa05177b20113760aee.camel@intel.com> <20191028210052.GM4643@worktop.programming.kicks-ass.net> <69c57f7fa9a1be145827673b37beff155a3adc3c.camel@intel.com> <20191030100418.GV4097@hirez.programming.kicks-ass.net> In-Reply-To: <20191030100418.GV4097@hirez.programming.kicks-ass.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.54.75.11] Content-Type: text/plain; charset="utf-8" Content-ID: <7AA923C2D8CFCE44B7E3F1866A3D8051@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: T24gV2VkLCAyMDE5LTEwLTMwIGF0IDExOjA0ICswMTAwLCBQZXRlciBaaWpsc3RyYSB3cm90ZToN Cj4gPiBZb3UgbWVhbiBzaGF0dGVyIHBlcmZvcm1hbmNlPw0KPiANCj4gU2hhdHRlciAoYWxsKSBs YXJnZSBwYWdlcy4NCg0KU28gaXQgbG9va3MgbGlrZSB0aGlzIGlzIGFscmVhZHkgaGFwcGVuaW5n IHRoZW4gdG8gc29tZSBkZWdyZWUuIEl0J3Mgbm90IGp1c3QNCkJQRiBlaXRoZXIsIGFueSBtb2R1 bGVfYWxsb2MoKSB1c2VyIGlzIGdvaW5nIHRvIGRvIHNvbWV0aGluZyBzaW1pbGFyIHdpdGggdGhl DQpkaXJlY3QgbWFwIGFsaWFzIG9mIHRoZSBwYWdlIHRoZXkgZ290IGZvciB0aGUgdGV4dC4NCg0K U28gdGhlcmUgbXVzdCBiZSBhdCBsZWFzdCBzb21lIHVzYWdlcyB3aGVyZSBicmVha2luZyB0aGUg ZGlyZWN0IG1hcCBkb3duLCBmb3INCmxpa2UgYSBwYWdlIHRvIHN0b3JlIGEga2V5IG9yIHNvbWV0 aGluZywgaXNuJ3QgdG90YWxseSBob3JyaWJsZS4NCg0K