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Tsirkin" Subject: Re: [PATCH v4 0/4] vmw_balloon: Compaction and shrinker support Thread-Topic: [PATCH v4 0/4] vmw_balloon: Compaction and shrinker support Thread-Index: AQHU+5sfw4lXp6MJj0Ov0LaKSU1Rk6ZaOUgA Date: Sat, 4 May 2019 01:25:24 +0000 Message-ID: <8A2D1D43-759A-4B09-B781-31E9002AE3DA@vmware.com> References: <20190425115445.20815-1-namit@vmware.com> In-Reply-To: <20190425115445.20815-1-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: f4bafb9c-9199-422e-8764-08d6d02f623f x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(2017052603328)(7193020);SRVR:BYAPR05MB6213; x-ms-traffictypediagnostic: BYAPR05MB6213: x-ld-processed: b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0,ExtAddr x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3276; x-forefront-prvs: 0027ED21E7 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(396003)(346002)(376002)(39860400002)(366004)(136003)(189003)(199004)(2616005)(486006)(33656002)(68736007)(36756003)(6486002)(102836004)(186003)(6506007)(26005)(53546011)(8936002)(76176011)(73956011)(3846002)(6116002)(66946007)(66556008)(66446008)(446003)(54906003)(2906002)(7736002)(478600001)(66476007)(64756008)(11346002)(99286004)(14444005)(256004)(25786009)(229853002)(476003)(71200400001)(6916009)(66066001)(305945005)(316002)(76116006)(14454004)(82746002)(8676002)(5660300002)(83716004)(6512007)(4326008)(6246003)(53936002)(71190400001)(86362001)(81166006)(6436002)(81156014);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR05MB6213;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: qPo5D/F9hGET3k6Gq/zZ44ji2YXV45Kc7MgTWcwETlnHn+o1eeWnGSiDvUs5kAjzytfoSv+ws1n+fZs1J4v58hq39BFQ1JHzm2kUQJXg1M9q8oiJ4n9pAbEX2X1WCdbZabGpVu1hGH34rfhSC/y/UB3k7N0j2JSj0KikbzqDLe6yc5UrhqPy6u2uZ7VxIZc0Kk9H7IuA6CbB3+uARirVRAFFIlsjZnexzDMA/Qfi5Nq+n9FBc+rfZd54lDbYww6ErRqiudTH5yOS5CRgok602/Papr26lfeYFykWyOj5Ra6wEtA9l+IDEE7LjMlYvajvrZoAS7xGyCpSFfc1AIKZjxuzWV+Ek3NOZb+h7ntzVJkUAtm6KeYfzbz2x5NeWNFMVrj9iNJZsNex8ArbaRvy1gwGO/MK1vcnk0aVZFLa/ns= Content-Type: text/plain; charset="us-ascii" Content-ID: <88829AE5ABEA6941919308A6A9557F98@namprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: vmware.com X-MS-Exchange-CrossTenant-Network-Message-Id: f4bafb9c-9199-422e-8764-08d6d02f623f X-MS-Exchange-CrossTenant-originalarrivaltime: 04 May 2019 01:25:24.8825 (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: BYAPR05MB6213 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: > On Apr 25, 2019, at 4:54 AM, Nadav Amit wrote: >=20 > VMware balloon enhancements: adding support for memory compaction, > memory shrinker (to prevent OOM) and splitting of refused pages to > prevent recurring inflations. >=20 > Patches 1-2: Support for compaction > Patch 3: Support for memory shrinker - disabled by default > Patch 4: Split refused pages to improve performance >=20 > v3->v4: > * "get around to" comment [Michael] > * Put list_add under page lock [Michael] >=20 > v2->v3: > * Fixing wrong argument type (int->size_t) [Michael] > * Fixing a comment (it) [Michael] > * Reinstating the BUG_ON() when page is locked [Michael]=20 >=20 > v1->v2: > * Return number of pages in list enqueue/dequeue interfaces [Michael] > * Removed first two patches which were already merged >=20 > Nadav Amit (4): > mm/balloon_compaction: List interfaces > vmw_balloon: Compaction support > vmw_balloon: Add memory shrinker > vmw_balloon: Split refused pages >=20 > drivers/misc/Kconfig | 1 + > drivers/misc/vmw_balloon.c | 489 ++++++++++++++++++++++++++--- > include/linux/balloon_compaction.h | 4 + > mm/balloon_compaction.c | 144 ++++++--- > 4 files changed, 553 insertions(+), 85 deletions(-) >=20 > --=20 > 2.19.1 Ping.