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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,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 5FAF5C2D0DB for ; Thu, 30 Jan 2020 15:38:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 199D92051A for ; Thu, 30 Jan 2020 15:38:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 199D92051A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D334A6B036C; Thu, 30 Jan 2020 10:38:03 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CDF7C6B036D; Thu, 30 Jan 2020 10:38:03 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BF5456B036E; Thu, 30 Jan 2020 10:38:03 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id A53626B036C for ; Thu, 30 Jan 2020 10:38:03 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 6216A180AD802 for ; Thu, 30 Jan 2020 15:38:03 +0000 (UTC) X-FDA: 76434706446.06.wave69_6345307dcc01a X-HE-Tag: wave69_6345307dcc01a X-Filterd-Recvd-Size: 5294 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by imf44.hostedemail.com (Postfix) with ESMTP for ; Thu, 30 Jan 2020 15:38:01 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jan 2020 07:31:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,382,1574150400"; d="scan'208";a="319241463" Received: from fmsmsx103.amr.corp.intel.com ([10.18.124.201]) by fmsmga001.fm.intel.com with ESMTP; 30 Jan 2020 07:31:12 -0800 Received: from fmsmsx155.amr.corp.intel.com (10.18.116.71) by FMSMSX103.amr.corp.intel.com (10.18.124.201) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 30 Jan 2020 07:31:12 -0800 Received: from shsmsx154.ccr.corp.intel.com (10.239.6.54) by FMSMSX155.amr.corp.intel.com (10.18.116.71) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 30 Jan 2020 07:31:12 -0800 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.202]) by SHSMSX154.ccr.corp.intel.com ([169.254.7.132]) with mapi id 14.03.0439.000; Thu, 30 Jan 2020 23:31:10 +0800 From: "Wang, Wei W" To: David Hildenbrand , Tyler Sanderson CC: "virtualization@lists.linux-foundation.org" , David Rientjes , "linux-mm@kvack.org" , "Michal Hocko" , "Michael S. Tsirkin" Subject: RE: Balloon pressuring page cache Thread-Topic: Balloon pressuring page cache Thread-Index: AQHV1jovoZrFI2PKjUOgo5GIAcuyoKgA6/YAgACRPICAAUzXAIAAibNg Date: Thu, 30 Jan 2020 15:31:09 +0000 Message-ID: <286AC319A985734F985F78AFA26841F73E3F8A02@shsmsx102.ccr.corp.intel.com> References: <91270a68-ff48-88b0-219c-69801f0c252f@redhat.com> <75d4594f-0864-5172-a0f8-f97affedb366@redhat.com> In-Reply-To: <75d4594f-0864-5172-a0f8-f97affedb366@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 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: T24gVGh1cnNkYXksIEphbnVhcnkgMzAsIDIwMjAgMTE6MDMgUE0sIERhdmlkIEhpbGRlbmJyYW5k IHdyb3RlOg0KPiBPbiAyOS4wMS4yMCAyMDoxMSwgVHlsZXIgU2FuZGVyc29uIHdyb3RlOg0KPiA+ DQo+ID4NCj4gPiBPbiBXZWQsIEphbiAyOSwgMjAyMCBhdCAyOjMxIEFNIERhdmlkIEhpbGRlbmJy YW5kIDxkYXZpZEByZWRoYXQuY29tDQo+ID4gPG1haWx0bzpkYXZpZEByZWRoYXQuY29tPj4gd3Jv dGU6DQo+ID4NCj4gPiAgICAgT24gMjkuMDEuMjAgMDE6MjIsIFR5bGVyIFNhbmRlcnNvbiB2aWEg VmlydHVhbGl6YXRpb24gd3JvdGU6DQo+ID4gICAgID4gQSBwcmltYXJ5IGFkdmFudGFnZSBvZiB2 aXJ0aW8gYmFsbG9vbiBvdmVyIG90aGVywqBtZW1vcnkgcmVjbGFpbQ0KPiA+ICAgICA+IG1lY2hh bmlzbXMgaXMgdGhhdCBpdCBjYW7CoHByZXNzdXJlIHRoZSBndWVzdCdzIHBhZ2UgY2FjaGUgaW50 bw0KPiA+ICAgICBzaHJpbmtpbmcuDQo+ID4gICAgID4NCj4gPiAgICAgPiBIb3dldmVyLCBzaW5j ZSB0aGUgYmFsbG9vbiBkcml2ZXIgY2hhbmdlZCB0byB1c2luZyB0aGUgc2hyaW5rZXIgQVBJDQo+ ID4gICAgID4NCj4gPg0KPiA8aHR0cHM6Ly9naXRodWIuY29tL3RvcnZhbGRzL2xpbnV4L2NvbW1p dC83MTk5NDYyMGJiMjVhOGIxMDkzODhmZWZhOQ0KPiBlOTlhMjhlMzU1MjU1YSNkaWZmLWZkMjAy YWNmNjk0ZDllYmExOWM4YzY0ZGEzZTQ4MGM5PsKgdGhpcw0KPiA+ICAgICA+IHVzZSBjYXNlIGhh cyBiZWNvbWUgYSBiaXQgbW9yZSB0cmlja3kuIEknbSB3b25kZXJpbmcgd2hhdCB0aGUNCj4gaW50 ZW5kZWQNCj4gPiAgICAgPiBkZXZpY2UgaW1wbGVtZW50YXRpb24gaXMuDQo+ID4gICAgID4NCj4g PiAgICAgPiBXaGVuIGluZmxhdGluZyB0aGUgYmFsbG9vbiBhZ2FpbnN0IHBhZ2UgY2FjaGUgKGku ZS4gbm8gZnJlZSBtZW1vcnkNCj4gPiAgICAgPiByZW1haW5zKSB2bXNjYW4uYyB3aWxsIGJvdGgg c2hyaW5rIHBhZ2UgY2FjaGUsIGJ1dCBhbHNvIGludm9rZSB0aGUNCj4gPiAgICAgPiBzaHJpbmtl cnMgLS0gaW5jbHVkaW5nIHRoZSBiYWxsb29uJ3Mgc2hyaW5rZXIuIFNvIHRoZSBiYWxsb29uIGRy aXZlcg0KPiA+ICAgICA+IGFsbG9jYXRlcyBtZW1vcnkgd2hpY2ggcmVxdWlyZXMgcmVjbGFpbSwg dm1zY2FuIGdldHMgdGhpcyBtZW1vcnkNCj4gYnkNCj4gPiAgICAgPiBzaHJpbmtpbmcgdGhlIGJh bGxvb24sIGFuZCB0aGVuIHRoZSBkcml2ZXIgYWRkcyB0aGUgbWVtb3J5IGJhY2sgdG8NCj4gdGhl DQo+ID4gICAgID4gYmFsbG9vbi4gQmFzaWNhbGx5IGEgYnVzeSBuby1vcC4NCg0KUGVyIG15IHVu ZGVyc3RhbmRpbmcsIHRoZSBiYWxsb29uIGFsbG9jYXRpb24gd29u4oCZdCBpbnZva2Ugc2hyaW5r ZXIgYXMgX19HRlBfRElSRUNUX1JFQ0xBSU0gaXNuJ3Qgc2V0LCBubz8NCg0KDQo+ID4gICAgID4N Cj4gPiAgICAgPiBJZiBmaWxlIElPIGlzIG9uZ29pbmcgZHVyaW5nIHRoaXMgYmFsbG9vbiBpbmZs YXRpb24gdGhlbiB0aGUgcGFnZQ0KPiA+ICAgICBjYWNoZQ0KPiA+ICAgICA+IGNvdWxkIGJlIGdy b3dpbmcgd2hpY2ggZnVydGhlciBwdXRzICJiYWNrIHByZXNzdXJlIiBvbiB0aGUgYmFsbG9vbg0K PiA+ICAgICA+IHRyeWluZyB0byBpbmZsYXRlLiBJbiB0ZXN0aW5nIEkndmUgc2VlbiBwZXJpb2Rz IG9mID4gNDUgc2Vjb25kcyB3aGVyZQ0KPiA+ICAgICA+IGJhbGxvb24gaW5mbGF0aW9uIG1ha2Vz IG5vIG5ldCBmb3J3YXJkIHByb2dyZXNzLg0KDQpJIHRoaW5rIHRoaXMgaXMgaW50ZW50aW9uYWwg KGJ1dCBjb3VsZCBiZSBpbXByb3ZlZCkuIEFzIGluZmxhdGlvbiBkb2VzIG5vdCBzdG9wIHdoZW4g dGhlIGFsbG9jYXRpb24gZmFpbHMgKGl0IHNpbXBseSBzbGVlcHMgZm9yIGEgd2hpbGUgYW5kIHJl c3VtZXMuLiByZXBlYXQgdGlsbCB0aGVyZSBhcmUgbWVtb3J5IHRvIGluZmxhdGUpDQpUaGF0J3Mg d2h5IHlvdSBzZWUgbm8gaW5mbGF0aW9uIHByb2dyZXNzIGZvciBsb25nIHRpbWUgdW5kZXIgbWVt b3J5IHByZXNzdXJlLg0KDQoNCkJlc3QsDQpXZWkNCg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Wang, Wei W" Subject: RE: Balloon pressuring page cache Date: Thu, 30 Jan 2020 15:31:09 +0000 Message-ID: <286AC319A985734F985F78AFA26841F73E3F8A02@shsmsx102.ccr.corp.intel.com> References: <91270a68-ff48-88b0-219c-69801f0c252f@redhat.com> <75d4594f-0864-5172-a0f8-f97affedb366@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <75d4594f-0864-5172-a0f8-f97affedb366@redhat.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" To: David Hildenbrand , Tyler Sanderson Cc: Michal Hocko , "linux-mm@kvack.org" , David Rientjes , "Michael S. Tsirkin" , "virtualization@lists.linux-foundation.org" List-Id: virtualization@lists.linuxfoundation.org T24gVGh1cnNkYXksIEphbnVhcnkgMzAsIDIwMjAgMTE6MDMgUE0sIERhdmlkIEhpbGRlbmJyYW5k IHdyb3RlOg0KPiBPbiAyOS4wMS4yMCAyMDoxMSwgVHlsZXIgU2FuZGVyc29uIHdyb3RlOg0KPiA+ DQo+ID4NCj4gPiBPbiBXZWQsIEphbiAyOSwgMjAyMCBhdCAyOjMxIEFNIERhdmlkIEhpbGRlbmJy YW5kIDxkYXZpZEByZWRoYXQuY29tDQo+ID4gPG1haWx0bzpkYXZpZEByZWRoYXQuY29tPj4gd3Jv dGU6DQo+ID4NCj4gPiAgICAgT24gMjkuMDEuMjAgMDE6MjIsIFR5bGVyIFNhbmRlcnNvbiB2aWEg VmlydHVhbGl6YXRpb24gd3JvdGU6DQo+ID4gICAgID4gQSBwcmltYXJ5IGFkdmFudGFnZSBvZiB2 aXJ0aW8gYmFsbG9vbiBvdmVyIG90aGVywqBtZW1vcnkgcmVjbGFpbQ0KPiA+ICAgICA+IG1lY2hh bmlzbXMgaXMgdGhhdCBpdCBjYW7CoHByZXNzdXJlIHRoZSBndWVzdCdzIHBhZ2UgY2FjaGUgaW50 bw0KPiA+ICAgICBzaHJpbmtpbmcuDQo+ID4gICAgID4NCj4gPiAgICAgPiBIb3dldmVyLCBzaW5j ZSB0aGUgYmFsbG9vbiBkcml2ZXIgY2hhbmdlZCB0byB1c2luZyB0aGUgc2hyaW5rZXIgQVBJDQo+ ID4gICAgID4NCj4gPg0KPiA8aHR0cHM6Ly9naXRodWIuY29tL3RvcnZhbGRzL2xpbnV4L2NvbW1p dC83MTk5NDYyMGJiMjVhOGIxMDkzODhmZWZhOQ0KPiBlOTlhMjhlMzU1MjU1YSNkaWZmLWZkMjAy YWNmNjk0ZDllYmExOWM4YzY0ZGEzZTQ4MGM5PsKgdGhpcw0KPiA+ICAgICA+IHVzZSBjYXNlIGhh cyBiZWNvbWUgYSBiaXQgbW9yZSB0cmlja3kuIEknbSB3b25kZXJpbmcgd2hhdCB0aGUNCj4gaW50 ZW5kZWQNCj4gPiAgICAgPiBkZXZpY2UgaW1wbGVtZW50YXRpb24gaXMuDQo+ID4gICAgID4NCj4g PiAgICAgPiBXaGVuIGluZmxhdGluZyB0aGUgYmFsbG9vbiBhZ2FpbnN0IHBhZ2UgY2FjaGUgKGku ZS4gbm8gZnJlZSBtZW1vcnkNCj4gPiAgICAgPiByZW1haW5zKSB2bXNjYW4uYyB3aWxsIGJvdGgg c2hyaW5rIHBhZ2UgY2FjaGUsIGJ1dCBhbHNvIGludm9rZSB0aGUNCj4gPiAgICAgPiBzaHJpbmtl cnMgLS0gaW5jbHVkaW5nIHRoZSBiYWxsb29uJ3Mgc2hyaW5rZXIuIFNvIHRoZSBiYWxsb29uIGRy aXZlcg0KPiA+ICAgICA+IGFsbG9jYXRlcyBtZW1vcnkgd2hpY2ggcmVxdWlyZXMgcmVjbGFpbSwg dm1zY2FuIGdldHMgdGhpcyBtZW1vcnkNCj4gYnkNCj4gPiAgICAgPiBzaHJpbmtpbmcgdGhlIGJh bGxvb24sIGFuZCB0aGVuIHRoZSBkcml2ZXIgYWRkcyB0aGUgbWVtb3J5IGJhY2sgdG8NCj4gdGhl DQo+ID4gICAgID4gYmFsbG9vbi4gQmFzaWNhbGx5IGEgYnVzeSBuby1vcC4NCg0KUGVyIG15IHVu ZGVyc3RhbmRpbmcsIHRoZSBiYWxsb29uIGFsbG9jYXRpb24gd29u4oCZdCBpbnZva2Ugc2hyaW5r ZXIgYXMgX19HRlBfRElSRUNUX1JFQ0xBSU0gaXNuJ3Qgc2V0LCBubz8NCg0KDQo+ID4gICAgID4N Cj4gPiAgICAgPiBJZiBmaWxlIElPIGlzIG9uZ29pbmcgZHVyaW5nIHRoaXMgYmFsbG9vbiBpbmZs YXRpb24gdGhlbiB0aGUgcGFnZQ0KPiA+ICAgICBjYWNoZQ0KPiA+ICAgICA+IGNvdWxkIGJlIGdy b3dpbmcgd2hpY2ggZnVydGhlciBwdXRzICJiYWNrIHByZXNzdXJlIiBvbiB0aGUgYmFsbG9vbg0K PiA+ICAgICA+IHRyeWluZyB0byBpbmZsYXRlLiBJbiB0ZXN0aW5nIEkndmUgc2VlbiBwZXJpb2Rz IG9mID4gNDUgc2Vjb25kcyB3aGVyZQ0KPiA+ICAgICA+IGJhbGxvb24gaW5mbGF0aW9uIG1ha2Vz IG5vIG5ldCBmb3J3YXJkIHByb2dyZXNzLg0KDQpJIHRoaW5rIHRoaXMgaXMgaW50ZW50aW9uYWwg KGJ1dCBjb3VsZCBiZSBpbXByb3ZlZCkuIEFzIGluZmxhdGlvbiBkb2VzIG5vdCBzdG9wIHdoZW4g dGhlIGFsbG9jYXRpb24gZmFpbHMgKGl0IHNpbXBseSBzbGVlcHMgZm9yIGEgd2hpbGUgYW5kIHJl c3VtZXMuLiByZXBlYXQgdGlsbCB0aGVyZSBhcmUgbWVtb3J5IHRvIGluZmxhdGUpDQpUaGF0J3Mg d2h5IHlvdSBzZWUgbm8gaW5mbGF0aW9uIHByb2dyZXNzIGZvciBsb25nIHRpbWUgdW5kZXIgbWVt b3J5IHByZXNzdXJlLg0KDQoNCkJlc3QsDQpXZWkNCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFs aXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91 bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==