From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3757758-1523238543-2-7801639228247202069 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org', XOriginatingCountry='US' X-Spam-charsets: plain='utf-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1523238543; b=YShnXIbpC19Zyto4kLpTZSW6qUcUXFHGujYt6ZVCRQ5dmpdVy5 RKhdlPWeEx8Yb3A8xkLOZtDF4lAuTC9+NJY4s4GeegNoS993YAu/BB4Qfb3UEEQ1 dvMbdccU7v435fCLWgW/uQ2uFsppFsl6QUo2psDOxp/SxMjPo7du9+AKzoQsf2+c YhxZpvxCbQsGZz6m2pwAb9fHQj1/JxE4ty0WElW5Q3R538J1U+lUnK9YRqv8YNvi ciEzzwnyLO6A3Iqqe89aIooUHWUgIU8twildkEtpYm2AjbYsXpXWvOzZmJHP7sOH 9yvpRvNlsjmYeQwY5BmTmVKc9SEloCVwePcQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :references:in-reply-to:content-type:content-id :content-transfer-encoding:mime-version:sender:list-id; s=fm2; t=1523238543; bh=MOyvdU8tBaU3NGuTdXQ711oxb50VmP6OkEW2+3qFE3g=; b= ojWNQMKvpzhQNtj27Cmkt7TatzHonL9DmTaSyWlLwP9tdvgIYGL7GxBb9BFO/GOt tP2S+MRmcv6V2oUIQ1SZwk1mvW8wS1Zwz8Mnmru2dWBehPFdnDRx+4gTMNiLFFpl UeTWlBCiME2vwlX2GJTGLr5QU4snEx0Ecr99VY0aelyItXNUOnBkpjDKiwv9FYiu MPyMWK2d7mKnd7OeFbhB5KmXCPSCsncjbwsx30WLzvLizQ3rYj/ENqBEnsi+QUJz GPDqyYbWuC6Qfq9jr114h4USPzIcJZJn1RU0IhxWr/XT0gMhQgRk5eWsxxSXKgGs Qr6Yh22sbvMCEo6pUFtngQ== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=ll4QnWM0 x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=ll4QnWM0 x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfG/kYjJKw3qFOQizKnitNzb4HtaSIZGFpUr97gvLhIClgbe7EWYA4xjYyo1Mu5CqgDRt9TttfaU5V+1NFnkR6n+v8iBE34nqmRkxAg3CqHQsfdcHdgHZ niOIvEJdD0dzI7QwMAbnMJX/SB7cug7k+3l8NYKHfAIKodN84wJqFERXNMBsdfSAInJv9BjeKtBUOUa6J5ku6a8WbDVlqm9xCI1pMfMOh8tlh159tV/1+PkV X-CM-Analysis: v=2.3 cv=JLoVTfCb c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=wRwT6uffUbIA:10 a=t_PdEiP4ckcA:10 a=mw6kJ3eo-EIA:10 a=IkcTkHD0fZMA:10 a=xqWC_Br6kY4A:10 a=Kd1tUaAdevIA:10 a=Lf-vpJhqX20A:10 a=V4zo2IF0AAAA:8 a=Z4Rwk6OoAAAA:8 a=VwQbUJbxAAAA:8 a=QyXUC8HyAAAA:8 a=iox4zFpeAAAA:8 a=1XWaLZrsAAAA:8 a=20KFwNOVAAAA:8 a=yMhMjlubAAAA:8 a=XXkejBGJcyV2RgbEolUA:9 a=QEXdDO2ut3YA:10 a=94qaw2vPIUMA:10 a=kcQYkljjMzlkGLXDm-6B:22 a=HkZW87K1Qel5hWWM3VKY:22 a=AjGcO6oz07-iQ99wixmX:22 a=WzC6qhA0u3u7Ye7llzcV:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757162AbeDIBst (ORCPT ); Sun, 8 Apr 2018 21:48:49 -0400 Received: from mail-bl2nam02on0126.outbound.protection.outlook.com ([104.47.38.126]:40576 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932392AbeDIAd7 (ORCPT ); Sun, 8 Apr 2018 20:33:59 -0400 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Yang Shi , Hugh Dickins , Andrea Arcangeli , Arnd Bergmann , Andrew Morton , Linus Torvalds , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 261/293] mm: thp: use down_read_trylock() in khugepaged to avoid long block Thread-Topic: [PATCH AUTOSEL for 4.9 261/293] mm: thp: use down_read_trylock() in khugepaged to avoid long block Thread-Index: AQHTz5lgWyiIwSaQ90uhGvRN0Nmi5A== Date: Mon, 9 Apr 2018 00:26:18 +0000 Message-ID: <20180409002239.163177-261-alexander.levin@microsoft.com> References: <20180409002239.163177-1-alexander.levin@microsoft.com> In-Reply-To: <20180409002239.163177-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0984;7:QGiQf3dDPrwyL3EoUmkwtVu7hXKHHYXT86r846m5PA7udANZb4KIAUPRgLVQXAdvqoDzkhvbJmnLdr3t2Vg1+mRoIC3lD/P0LxF2eR6Chjl/ZyZSQYIf6KFtakYbqZOjWL0rl1i3vI/b64lw+pIiwjBGMO8Ga+t/cc+AgSgleE0ehbWXoJ1jonO3NdWmKb33INzezIgcE6qV1mIo03c3jmdP3OFBKqEy9U9VVlZ7ajYnYaGP/JYHMHYvoOVLphXB;20:EoVdNdbP7NT6KmkL90HpifbQOL3VBWCTB2HlWqEAi1t5isATC3haUozrAfRpKvY6nLBSh9g/M4Z1yXjNdIf8YGLwxnMBRjOBsyLgT2q/FKg4LsRvcXyJHIBwN8XKcJIhqfGCG/0wjL1bHnzffX/IbIyELPMcaNsc5s+Z2+6U9ag= x-ms-office365-filtering-ht: Tenant X-MS-Office365-Filtering-Correlation-Id: 181510f6-69bf-4da0-8395-08d59db19426 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0984; x-ms-traffictypediagnostic: DM5PR2101MB0984: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171)(788757137089)(211936372134217)(42068640409301)(153496737603132)(228905959029699); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(3231221)(944501327)(52105095)(3002001)(10201501046)(6055026)(61426038)(61427038)(6041310)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123558120)(20161123564045)(20161123560045)(6072148)(201708071742011);SRVR:DM5PR2101MB0984;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB0984; x-forefront-prvs: 0637FCE711 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(39860400002)(366004)(39380400002)(346002)(376002)(199004)(189003)(26005)(99286004)(2906002)(14454004)(97736004)(59450400001)(8676002)(81156014)(81166006)(8936002)(6512007)(106356001)(76176011)(186003)(3280700002)(10090500001)(36756003)(6506007)(66066001)(3660700001)(72206003)(478600001)(6666003)(53936002)(2900100001)(105586002)(102836004)(966005)(2501003)(110136005)(54906003)(5250100002)(486006)(1076002)(25786009)(6116002)(6436002)(11346002)(6486002)(22452003)(4326008)(446003)(7736002)(86362001)(305945005)(2616005)(476003)(6306002)(68736007)(3846002)(86612001)(5660300001)(10290500003)(107886003)(316002)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB0984;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-microsoft-antispam-message-info: G5jbpM08btZ8MZLjy66jaY40GZF6JxAu1SaJ5H/JdiRjBtgM9h5Loer16lQ22ZnAiGQj6uMo+mYxlCqJa9JNR5c5XKno/CWadtGODjyZ73OZJfasUtozwaBHweYRzYACbaEfLKJ6SQm3bCzksnl6QVXmG8JfDQOVU8LMWDg1uiZ/5H/m/p5idl/ZwJg9QTs6mI76FmNsT7+bih7hswggaT2+olupX6sP4OWZXV73FypH8KoKG4MfLLDzqpbcUkaGkFXoifdD9/O14jN642pvTMkgjNUB01n4VUpWzdMzneiOdb6ZfpbEEbTteEklqTnP5WncmbE8cS2bt5lItub8y6Ky3q4WTadQYrZAuoB+0iT4ASzF4APuYVQkjbhM1rv4CNxCj8RV56uGVmarUcYZ17/8BkgIDZK8kBc+D2f1mM0= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <11CA123070CF6B44A1238976C5FAD146@namprd21.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 181510f6-69bf-4da0-8395-08d59db19426 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:26:18.4569 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0984 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: RnJvbTogWWFuZyBTaGkgPHlhbmcuc0BhbGliYWJhLWluYy5jb20+DQoNClsgVXBzdHJlYW0gY29t bWl0IDNiNDU0YWQzNTA0M2RmYmQzYjVkMmJiOTJiMDk5MWQ2MzQyYWZiNDQgXQ0KDQpJbiB0aGUg Y3VycmVudCBkZXNpZ24sIGtodWdlcGFnZWQgbmVlZHMgdG8gYWNxdWlyZSBtbWFwX3NlbSBiZWZv cmUNCnNjYW5uaW5nIGFuIG1tLiAgQnV0IGluIHNvbWUgY29ybmVyIGNhc2VzLCBraHVnZXBhZ2Vk IG1heSBzY2FuIGEgcHJvY2Vzcw0Kd2hpY2ggaXMgbW9kaWZ5aW5nIGl0cyBtZW1vcnkgbWFwcGlu Zywgc28ga2h1Z2VwYWdlZCBibG9ja3MgaW4NCnVuaW50ZXJydXB0aWJsZSBzdGF0ZS4gIEJ1dCB0 aGUgcHJvY2VzcyBtaWdodCBob2xkIHRoZSBtbWFwX3NlbSBmb3IgYQ0KbG9uZyB0aW1lIHdoZW4g bW9kaWZ5aW5nIGEgaHVnZSBtZW1vcnkgc3BhY2UgYW5kIGl0IG1heSB0cmlnZ2VyIHRoZQ0KYmVs b3cga2h1Z2VwYWdlZCBodW5nIGlzc3VlOg0KDQogIElORk86IHRhc2sga2h1Z2VwYWdlZDoyNzAg YmxvY2tlZCBmb3IgbW9yZSB0aGFuIDEyMCBzZWNvbmRzLg0KICBUYWludGVkOiBHIEUgNC45LjY1 LTAwNi5hbGkzMDAwLmFsaW9zNy54ODZfNjQgIzENCiAgImVjaG8gMCA+IC9wcm9jL3N5cy9rZXJu ZWwvaHVuZ190YXNrX3RpbWVvdXRfc2VjcyIgZGlzYWJsZXMgdGhpcyBtZXNzYWdlLg0KICBraHVn ZXBhZ2VkIEQgMCAyNzAgMiAweDAwMDAwMDAwwqANCiAgZmZmZjg4M2YzZGVhZTRjMCAwMDAwMDAw MDAwMDAwMDAwIGZmZmY4ODNmNjEwNTk2YzAgZmZmZjg4M2Y3ZDM1OTQ0MA0KICBmZmZmODgzZjYz ODE4MDAwIGZmZmZjOTAwMTlhZGZjNzggZmZmZmZmZmY4MTcwNzlhNSBkNjdlNWFhOGMxODYwYTY0 DQogIDAwMDAwMDAwMDAwMDAyNDYgZmZmZjg4M2Y3ZDM1OTQ0MCBmZmZmYzkwMDE5YWRmYzg4IGZm ZmY4ODNmNjEwNTk2YzANCiAgQ2FsbCBUcmFjZToNCiAgICBzY2hlZHVsZSsweDM2LzB4ODANCiAg ICByd3NlbV9kb3duX3JlYWRfZmFpbGVkKzB4ZjAvMHgxNTANCiAgICBjYWxsX3J3c2VtX2Rvd25f cmVhZF9mYWlsZWQrMHgxOC8weDMwDQogICAgZG93bl9yZWFkKzB4MjAvMHg0MA0KICAgIGtodWdl cGFnZWQrMHg0NzYvMHgxMWQwDQogICAga3RocmVhZCsweGU2LzB4MTAwDQogICAgcmV0X2Zyb21f Zm9yaysweDI1LzB4MzANCg0KU28gaXQgc291bmRzIHBvaW50bGVzcyB0byBqdXN0IGJsb2NrIGto dWdlcGFnZWQgd2FpdGluZyBmb3IgdGhlDQpzZW1hcGhvcmUgc28gcmVwbGFjZSBkb3duX3JlYWQo KSB3aXRoIGRvd25fcmVhZF90cnlsb2NrKCkgdG8gbW92ZSB0bw0Kc2NhbiB0aGUgbmV4dCBtbSBx dWlja2x5IGluc3RlYWQgb2YganVzdCBibG9ja2luZyBvbiB0aGUgc2VtYXBob3JlIHNvDQp0aGF0 IG90aGVyIHByb2Nlc3NlcyBjYW4gZ2V0IG1vcmUgY2hhbmNlcyB0byBpbnN0YWxsIFRIUC4gIFRo ZW4NCmtodWdlcGFnZWQgY2FuIGNvbWUgYmFjayB0byBzY2FuIHRoZSBza2lwcGVkIG1tIHdoZW4g aXQgaGFzIGZpbmlzaGVkIHRoZQ0KY3VycmVudCByb3VuZCBmdWxsX3NjYW4uDQoNCkFuZCBpdCBh cHBlYXJzIHRoYXQgdGhlIGNoYW5nZSBjYW4gaW1wcm92ZSBraHVnZXBhZ2VkIGVmZmljaWVuY3kg YQ0KbGl0dGxlIGJpdC4NCg0KQmVsb3cgaXMgdGhlIHRlc3QgcmVzdWx0IHdoZW4gcnVubmluZyBM VFAgb24gYSAyNCBjb3JlcyA0R0IgbWVtb3J5IDINCm5vZGVzIE5VTUEgVk06DQoNCiAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgIHByaXN0aW5lICAgICAgICAgIHcvIHRyeWxvY2sN CiAgZnVsbF9zY2FuICAgICAgICAgICAgICAgICAgICAgICAgIDE5NyAgICAgICAgICAgICAgIDE4 Nw0KICBwYWdlc19jb2xsYXBzZWQgICAgICAgICAgICAgICAgICAgMjEgICAgICAgICAgICAgICAg MjYNCiAgdGhwX2ZhdWx0X2FsbG9jICAgICAgICAgICAgICAgICAgIDQwODE4ICAgICAgICAgICAg IDQ0NDY2DQogIHRocF9mYXVsdF9mYWxsYmFjayAgICAgICAgICAgICAgICAxODQxMyAgICAgICAg ICAgICAxNjY3OQ0KICB0aHBfY29sbGFwc2VfYWxsb2MgICAgICAgICAgICAgICAgMjEgICAgICAg ICAgICAgICAgMTUwDQogIHRocF9jb2xsYXBzZV9hbGxvY19mYWlsZWQgICAgICAgICAxNCAgICAg ICAgICAgICAgICAxNg0KICB0aHBfZmlsZV9hbGxvYyAgICAgICAgICAgICAgICAgICAgMzY5ICAg ICAgICAgICAgICAgMzY5DQoNCltha3BtQGxpbnV4LWZvdW5kYXRpb24ub3JnOiBjb2Rpbmctc3R5 bGUgZml4ZXNdDQpbYWtwbUBsaW51eC1mb3VuZGF0aW9uLm9yZzogdHdlYWsgY29tbWVudF0NClth cm5kQGFybmRiLmRlOiBhdm9pZCB1bmluaXRpYWxpemVkIHZhcmlhYmxlIHVzZV0NCiAgTGluazog aHR0cDovL2xrbWwua2VybmVsLm9yZy9yLzIwMTcxMjE1MTI1MTI5LjI5NDg2MzQtMS1hcm5kQGFy bmRiLmRlDQpMaW5rOiBodHRwOi8vbGttbC5rZXJuZWwub3JnL3IvMTUxMzI4MTIwMy01NDg3OC0x LWdpdC1zZW5kLWVtYWlsLXlhbmcuc0BhbGliYWJhLWluYy5jb20NClNpZ25lZC1vZmYtYnk6IFlh bmcgU2hpIDx5YW5nLnNAYWxpYmFiYS1pbmMuY29tPg0KQWNrZWQtYnk6IEtpcmlsbCBBLiBTaHV0 ZW1vdiA8a2lyaWxsLnNodXRlbW92QGxpbnV4LmludGVsLmNvbT4NCkFja2VkLWJ5OiBNaWNoYWwg SG9ja28gPG1ob2Nrb0BzdXNlLmNvbT4NCkNjOiBIdWdoIERpY2tpbnMgPGh1Z2hkQGdvb2dsZS5j b20+DQpDYzogQW5kcmVhIEFyY2FuZ2VsaSA8YWFyY2FuZ2VAcmVkaGF0LmNvbT4NClNpZ25lZC1v ZmYtYnk6IEFybmQgQmVyZ21hbm4gPGFybmRAYXJuZGIuZGU+DQpTaWduZWQtb2ZmLWJ5OiBBbmRy ZXcgTW9ydG9uIDxha3BtQGxpbnV4LWZvdW5kYXRpb24ub3JnPg0KU2lnbmVkLW9mZi1ieTogTGlu dXMgVG9ydmFsZHMgPHRvcnZhbGRzQGxpbnV4LWZvdW5kYXRpb24ub3JnPg0KU2lnbmVkLW9mZi1i eTogU2FzaGEgTGV2aW4gPGFsZXhhbmRlci5sZXZpbkBtaWNyb3NvZnQuY29tPg0KLS0tDQogbW0v a2h1Z2VwYWdlZC5jIHwgMTIgKysrKysrKystLS0tDQogMSBmaWxlIGNoYW5nZWQsIDggaW5zZXJ0 aW9ucygrKSwgNCBkZWxldGlvbnMoLSkNCg0KZGlmZiAtLWdpdCBhL21tL2todWdlcGFnZWQuYyBi L21tL2todWdlcGFnZWQuYw0KaW5kZXggODk4ZWIyNmY1ZGM4Li40OGEzOWNiZGYyZDQgMTAwNjQ0 DQotLS0gYS9tbS9raHVnZXBhZ2VkLmMNCisrKyBiL21tL2todWdlcGFnZWQuYw0KQEAgLTE2Nzgs MTAgKzE2NzgsMTQgQEAgc3RhdGljIHVuc2lnbmVkIGludCBraHVnZXBhZ2VkX3NjYW5fbW1fc2xv dCh1bnNpZ25lZCBpbnQgcGFnZXMsDQogCXNwaW5fdW5sb2NrKCZraHVnZXBhZ2VkX21tX2xvY2sp Ow0KIA0KIAltbSA9IG1tX3Nsb3QtPm1tOw0KLQlkb3duX3JlYWQoJm1tLT5tbWFwX3NlbSk7DQot CWlmICh1bmxpa2VseShraHVnZXBhZ2VkX3Rlc3RfZXhpdChtbSkpKQ0KLQkJdm1hID0gTlVMTDsN Ci0JZWxzZQ0KKwkvKg0KKwkgKiBEb24ndCB3YWl0IGZvciBzZW1hcGhvcmUgKHRvIGF2b2lkIGxv bmcgd2FpdCB0aW1lcykuICBKdXN0IG1vdmUgdG8NCisJICogdGhlIG5leHQgbW0gb24gdGhlIGxp c3QuDQorCSAqLw0KKwl2bWEgPSBOVUxMOw0KKwlpZiAodW5saWtlbHkoIWRvd25fcmVhZF90cnls b2NrKCZtbS0+bW1hcF9zZW0pKSkNCisJCWdvdG8gYnJlYWtvdXRlcmxvb3BfbW1hcF9zZW07DQor CWlmIChsaWtlbHkoIWtodWdlcGFnZWRfdGVzdF9leGl0KG1tKSkpDQogCQl2bWEgPSBmaW5kX3Zt YShtbSwga2h1Z2VwYWdlZF9zY2FuLmFkZHJlc3MpOw0KIA0KIAlwcm9ncmVzcysrOw0KLS0gDQoy LjE1LjENCg==