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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, 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 93BC2C10F14 for ; Mon, 8 Apr 2019 17:35:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65A2D217F4 for ; Mon, 8 Apr 2019 17:35:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=vmware.com header.i=@vmware.com header.b="XeJlXlZv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728624AbfDHRfL (ORCPT ); Mon, 8 Apr 2019 13:35:11 -0400 Received: from mail-eopbgr680047.outbound.protection.outlook.com ([40.107.68.47]:37910 "EHLO NAM04-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726668AbfDHRfK (ORCPT ); Mon, 8 Apr 2019 13:35:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vmware.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=jAQfi1uf9nlcY03MOAa0mD3o5jGz0a+BDKd+WEYUYWA=; b=XeJlXlZv3xulQ2Yr4zy2gZC3dtPL2gb73Ha1oPD7xWXFPfex5KX8nh580yZx7WrY57KzuI2tFIapR1leUHjDFyPZYbw+VnQRtZlLHeLXRVTVIihDvu3Hz26fC1Hu6GyvU5IwdNVgXfkBw++JJV5kBZWAVJGcEbYfLMrbWE/TvIs= Received: from BYAPR05MB4776.namprd05.prod.outlook.com (52.135.233.146) by BYAPR05MB5240.namprd05.prod.outlook.com (20.177.231.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1792.8; Mon, 8 Apr 2019 17:35:00 +0000 Received: from BYAPR05MB4776.namprd05.prod.outlook.com ([fe80::4140:b8f2:8e3:f5fd]) by BYAPR05MB4776.namprd05.prod.outlook.com ([fe80::4140:b8f2:8e3:f5fd%4]) with mapi id 15.20.1792.009; Mon, 8 Apr 2019 17:35:00 +0000 From: Nadav Amit To: "Michael S. Tsirkin" CC: Jason Wang , "virtualization@lists.linux-foundation.org" , Linux-MM , Linux List Kernel Mailing , Pv-drivers , Julien Freche , Greg Kroah-Hartman , Arnd Bergmann Subject: Re: [PATCH v2 1/4] mm/balloon_compaction: list interfaces Thread-Topic: [PATCH v2 1/4] mm/balloon_compaction: list interfaces Thread-Index: AQHU5L/fQHqTTJNOzkOghmdzHIOs1aYymUeA Date: Mon, 8 Apr 2019 17:35:00 +0000 Message-ID: <679D6F11-07D7-4227-9D02-41F9F8901E61@vmware.com> References: <20190328010718.2248-1-namit@vmware.com> <20190328010718.2248-2-namit@vmware.com> In-Reply-To: <20190328010718.2248-2-namit@vmware.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=namit@vmware.com; x-originating-ip: [66.170.99.2] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 9c34b376-8f74-4cef-37cf-08d6bc488704 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600139)(711020)(4605104)(2017052603328)(7193020);SRVR:BYAPR05MB5240; x-ms-traffictypediagnostic: BYAPR05MB5240: x-ld-processed: b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0,ExtAddr x-microsoft-antispam-prvs: x-forefront-prvs: 0001227049 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(396003)(366004)(136003)(376002)(346002)(189003)(199004)(5660300002)(486006)(53936002)(33656002)(6246003)(25786009)(53546011)(6506007)(229853002)(76176011)(11346002)(6116002)(3846002)(6512007)(66066001)(476003)(446003)(82746002)(6486002)(316002)(305945005)(4326008)(2616005)(6436002)(7736002)(2906002)(256004)(71200400001)(71190400001)(81166006)(6916009)(106356001)(36756003)(83716004)(8936002)(68736007)(186003)(81156014)(8676002)(99286004)(478600001)(86362001)(4744005)(54906003)(14454004)(102836004)(105586002)(97736004)(26005);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR05MB5240;H:BYAPR05MB4776.namprd05.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: vmware.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: mH91q6AQ0GhnZ2PSC6QH7gXuC8+Qbt9fHvuYhNxDpd8U69Sc2mWXMaDh1SqLIJqD1Tj+eo+13ncY/GtofcJBXvK1hGsZasEes/jAVd35OsLa5G60JKpY92NcBG+9xAbMcE2RuYMlBjEbpjUYtKWwQI3YL8KfF9yNgBDoCFactv+iEgx8vHyY6NE25Gu1kf5ScoxRkkP0GfXgczKKSsv+JJKV0nYp1KQB8IzxeMlV8SBingiNNtpPQf1MoLSiYJ4U0Ez9VJDKkCSBpdYHWQovzfhF1Zd2u7BclerQ3iiQtdU3EaATEEI6EJ71xdcXNzgM9S28Pih5ilLpCNfcbbu0rWbgzk2EpEldetNC2wgds/f2hnHKun+UjQgAtJUfkrAXhhc5tBpMaTSev0cPLttHpOnzXVLUSdG8wfT48VdWraQ= Content-Type: text/plain; charset="us-ascii" Content-ID: <49C9D19A64CC2A4D9009D73284BA2801@namprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: vmware.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9c34b376-8f74-4cef-37cf-08d6bc488704 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Apr 2019 17:35:00.6520 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR05MB5240 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Mar 27, 2019, at 6:07 PM, Nadav Amit wrote: >=20 > Introduce interfaces for ballooning enqueueing and dequeueing of a list > of pages. These interfaces reduce the overhead of storing and restoring > IRQs by batching the operations. In addition they do not panic if the > list of pages is empty. >=20 > Cc: "Michael S. Tsirkin" Michael, may I ping for your ack?