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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?