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Wed, 4 Dec 2019 11:52:06 +0000 (UTC) Received: from EX13D31EUA003.ant.amazon.com (10.43.165.95) by EX13MTAUEA001.ant.amazon.com (10.43.61.243) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 4 Dec 2019 11:52:06 +0000 Received: from EX13D32EUC003.ant.amazon.com (10.43.164.24) by EX13D31EUA003.ant.amazon.com (10.43.165.95) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 4 Dec 2019 11:52:04 +0000 Received: from EX13D32EUC003.ant.amazon.com ([10.43.164.24]) by EX13D32EUC003.ant.amazon.com ([10.43.164.24]) with mapi id 15.00.1367.000; Wed, 4 Dec 2019 11:52:04 +0000 From: "Durrant, Paul" To: "Park, Seongjae" , "konrad.wilk@oracle.com" , "roger.pau@citrix.com" , "axboe@kernel.dk" CC: "sj38.park@gmail.com" , "xen-devel@lists.xenproject.org" , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Park, Seongjae" Subject: RE: [Xen-devel] [PATCH 0/2] xen/blkback: Aggressively shrink page pools if a memory pressure is detected Thread-Topic: [Xen-devel] [PATCH 0/2] xen/blkback: Aggressively shrink page pools if a memory pressure is detected Thread-Index: AQHVqpcoosgr7ogcY0K6hF0oa7O7wqep3Ncw Date: Wed, 4 Dec 2019 11:52:04 +0000 Message-ID: <62c68f53cc0145ad9d0dfb167b50eac4@EX13D32EUC003.ant.amazon.com> References: <20191204113419.2298-1-sjpark@amazon.com> In-Reply-To: <20191204113419.2298-1-sjpark@amazon.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.164.177] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBYZW4tZGV2ZWwgPHhlbi1kZXZl bC1ib3VuY2VzQGxpc3RzLnhlbnByb2plY3Qub3JnPiBPbiBCZWhhbGYgT2YNCj4gU2VvbmdKYWUg UGFyaw0KPiBTZW50OiAwNCBEZWNlbWJlciAyMDE5IDExOjM0DQo+IFRvOiBrb25yYWQud2lsa0Bv cmFjbGUuY29tOyByb2dlci5wYXVAY2l0cml4LmNvbTsgYXhib2VAa2VybmVsLmRrDQo+IENjOiBz ajM4LnBhcmtAZ21haWwuY29tOyB4ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmc7IGxpbnV4 LQ0KPiBibG9ja0B2Z2VyLmtlcm5lbC5vcmc7IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7 IFBhcmssIFNlb25namFlDQo+IDxzanBhcmtAYW1hem9uLmNvbT4NCj4gU3ViamVjdDogW1hlbi1k ZXZlbF0gW1BBVENIIDAvMl0geGVuL2Jsa2JhY2s6IEFnZ3Jlc3NpdmVseSBzaHJpbmsgcGFnZQ0K PiBwb29scyBpZiBhIG1lbW9yeSBwcmVzc3VyZSBpcyBkZXRlY3RlZA0KPiANCj4gRWFjaCBgYmxr aWZgIGhhcyBhIGZyZWUgcGFnZXMgcG9vbCBmb3IgdGhlIGdyYW50IG1hcHBpbmcuICBUaGUgc2l6 ZSBvZg0KPiB0aGUgcG9vbCBzdGFydHMgZnJvbSB6ZXJvIGFuZCBiZSBpbmNyZWFzZWQgb24gZGVt YW5kIHdoaWxlIHByb2Nlc3NpbmcNCj4gdGhlIEkvTyByZXF1ZXN0cy4gIElmIGN1cnJlbnQgSS9P IHJlcXVlc3RzIGhhbmRsaW5nIGlzIGZpbmlzaGVkIG9yIDEwMA0KPiBtaWxsaXNlY29uZHMgaGFz IHBhc3NlZCBzaW5jZSBsYXN0IEkvTyByZXF1ZXN0cyBoYW5kbGluZywgaXQgY2hlY2tzIGFuZA0K PiBzaHJpbmtzIHRoZSBwb29sIHRvIG5vdCBleGNlZWQgdGhlIHNpemUgbGltaXQsIGBtYXhfYnVm ZmVyX3BhZ2VzYC4NCj4gDQo+IFRoZXJlZm9yZSwgYGJsa2Zyb250YCBydW5uaW5nIGd1ZXN0cyBj YW4gY2F1c2UgYSBtZW1vcnkgcHJlc3N1cmUgaW4gdGhlDQo+IGBibGtiYWNrYCBydW5uaW5nIGd1 ZXN0IGJ5IGF0dGFjaGluZyBhcmJpdHJhcmlseSBsYXJnZSBudW1iZXIgb2YgYmxvY2sNCj4gZGV2 aWNlcyBhbmQgaW5kdWNpbmcgSS9PLg0KDQpPT0kuLi4gSG93IGRvIGd1ZXN0cyB1bmlsYXRlcmFs bHkgY2F1c2UgdGhlIGF0dGFjaG1lbnQgb2YgYXJiaXRyYXJ5IG51bWJlcnMgb2YgUFYgZGV2aWNl cz8NCg0KICBQYXVsDQoNCg==