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=-6.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS autolearn=ham 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 10ED3C43143 for ; Fri, 28 Sep 2018 19:48:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8DEA206B8 for ; Fri, 28 Sep 2018 19:48:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=vmware.com header.i=@vmware.com header.b="XvBjPUSP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8DEA206B8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vmware.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727096AbeI2CNc (ORCPT ); Fri, 28 Sep 2018 22:13:32 -0400 Received: from mail-dm3nam03on0053.outbound.protection.outlook.com ([104.47.41.53]:5536 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726496AbeI2CNb (ORCPT ); Fri, 28 Sep 2018 22:13:31 -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=u/Nn9Qu6WIfOqLPgOtFNgAFgti8ed5bjroZ7U71H6to=; b=XvBjPUSPIuzHS8HTlHEVDfwbKQM/F0EwKzlEgWd9E4v6KoZTbt9iytNSqCjNgl8fwIZ/KGvExQyq4+pmoLkODlEOV+WEZbam9r73LvsmLY/t5PEl/bd5QIPcKzX6kWqDOvmspMpv+uZ80W/eFVSgH4p1yPZxersx3GeRw7f9LxU= Received: from BYAPR05MB4776.namprd05.prod.outlook.com (52.135.233.146) by BYAPR05MB4486.namprd05.prod.outlook.com (52.135.203.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1207.13; Fri, 28 Sep 2018 19:48:11 +0000 Received: from BYAPR05MB4776.namprd05.prod.outlook.com ([fe80::1cc9:412c:6f6b:e0ae]) by BYAPR05MB4776.namprd05.prod.outlook.com ([fe80::1cc9:412c:6f6b:e0ae%5]) with mapi id 15.20.1185.022; Fri, 28 Sep 2018 19:48:11 +0000 From: Nadav Amit To: "Michael S. Tsirkin" CC: Greg Kroah-Hartman , Xavier Deguillard , LKML , Jason Wang , linux-mm , "virtualization@lists.linux-foundation.org" , Arnd Bergmann Subject: Re: [PATCH v3 16/20] mm/balloon_compaction: list interfaces Thread-Topic: [PATCH v3 16/20] mm/balloon_compaction: list interfaces Thread-Index: AQHUVc2ED+mU4PcbWEmXX/O1MTP5s6UGHMKA Date: Fri, 28 Sep 2018 19:48:11 +0000 Message-ID: <7F67E16F-BC91-47B3-9A68-CF1EA226AB2E@vmware.com> References: <20180926191336.101885-1-namit@vmware.com> <20180926191336.101885-17-namit@vmware.com> In-Reply-To: <20180926191336.101885-17-namit@vmware.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [66.170.99.1] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BYAPR05MB4486;20:/6aVmqIwSHDBVX8RGmj+77UR+2Jt5sb/LUkjol8gOrzSpNZauu+CZJvpbzC7g9zrX4Kr5rwxGqYJuMkMGpvIoaSeImBXxweFZd1ZjunzjjdDuzjQQQd6NXGknVC71s0XGu2EGpwTwqTQ7OlPONLtmLLwKuET2jvN4lbU8Ai/3WI= x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-correlation-id: f7744bea-2b70-461d-f635-08d6257b52a8 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(4534165)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(2017052603328)(7153060)(7193020);SRVR:BYAPR05MB4486; x-ms-traffictypediagnostic: BYAPR05MB4486: bcl: 0 x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(61668805478150); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(3231355)(944501410)(52105095)(93006095)(93001095)(3002001)(10201501046)(149066)(150057)(6041310)(20161123558120)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(20161123564045)(20161123560045)(201708071742011)(7699051)(76991041);SRVR:BYAPR05MB4486;BCL:0;PCL:0;RULEID:;SRVR:BYAPR05MB4486; x-forefront-prvs: 0809C12563 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(376002)(366004)(136003)(346002)(396003)(39860400002)(189003)(199004)(6116002)(83716004)(53936002)(6346003)(3846002)(34290500001)(105586002)(54906003)(102836004)(186003)(229853002)(6916009)(86362001)(82746002)(8936002)(6512007)(305945005)(97736004)(508600001)(26005)(6486002)(6506007)(7736002)(2900100001)(106356001)(2906002)(71200400001)(6436002)(71190400001)(5250100002)(316002)(14454004)(6246003)(36756003)(2616005)(81166006)(11346002)(4326008)(66066001)(476003)(99286004)(81156014)(8676002)(33656002)(5660300001)(446003)(256004)(68736007)(25786009)(76176011)(486006);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR05MB4486;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) authentication-results: spf=none (sender IP is ) smtp.mailfrom=namit@vmware.com; x-microsoft-antispam-message-info: GI4nMescYQe9FEn20T6zRzqfLJMLq45GOD+A0N2GcMJoVilGBiSg2dstyokqbUhLQWyIfjzGcRbj/UCFFVFIzDOhkJggjuj9utt4OxiCNPo2JClJum4F66fRQafliRJxO9sHd5vAmfhvsANDBWVnHhNR9iRzg/pjjPpE3WBl2WPHFEDnjGN8ooz+QLsk55XHcelRSa65ZrKAI+Rh0DCxqxb+15mPhTpRDqIB6Wu/X7WphuI6uXwp/2NXYz3e2XqEI8NvnaEd8+ha4IuhwLwVzGyQjdwAUZ8jpSS+kf5SKI0qHMFXeuPhXmkwIo4FDCztl38sW0GVmHc/I13BaVXOg/sIDgBV/6WK6cMKTpC07cc= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: vmware.com X-MS-Exchange-CrossTenant-Network-Message-Id: f7744bea-2b70-461d-f635-08d6257b52a8 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Sep 2018 19:48:11.5362 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR05MB4486 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org at 12:13 PM, Nadav Amit wrote: > 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" > Cc: Jason Wang > Cc: linux-mm@kvack.org > Cc: virtualization@lists.linux-foundation.org > Reviewed-by: Xavier Deguillard > Signed-off-by: Nadav Amit > --- > include/linux/balloon_compaction.h | 4 + > mm/balloon_compaction.c | 139 +++++++++++++++++++++-------- > 2 files changed, 105 insertions(+), 38 deletions(-) >=20 > diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_c= ompaction.h > index 53051f3d8f25..2c5a8e09e413 100644 > --- a/include/linux/balloon_compaction.h > +++ b/include/linux/balloon_compaction.h > @@ -72,6 +72,10 @@ extern struct page *balloon_page_alloc(void); > extern void balloon_page_enqueue(struct balloon_dev_info *b_dev_info, > struct page *page); > extern struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_i= nfo); > +extern void balloon_page_list_enqueue(struct balloon_dev_info *b_dev_inf= o, > + struct list_head *pages); > +extern int balloon_page_list_dequeue(struct balloon_dev_info *b_dev_info= , > + struct list_head *pages, int n_req_pages); Michael, can we get you ack for this patch (as well as 15/20)? Thanks, Nadav=