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13 Feb 2018 11:52:27 -0600 From: Cc: , , , Received: from ausxippc106.us.dell.com ([143.166.85.156]) by esa5.dell-outbound2.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Feb 2018 23:56:22 +0600 X-LoopCount0: from 10.166.135.94 X-IronPort-AV: E=Sophos;i="5.46,508,1511848800"; d="scan'208";a="213943789" X-DLP: DLP_GlobalPCIDSS To: Subject: Re: Stale memory during post fork cow pmap update Thread-Topic: Stale memory during post fork cow pmap update Thread-Index: AQHToi21ONrV41etXEyYDT4ce+JxhKOd4hEAgACyFgCAABC/AIAD0EUAgABImACAAEw1gA== Date: Tue, 13 Feb 2018 18:02:56 +0000 Message-ID: <5A83284F.5070208@dell.com> References: <5A7E7F2B.80900@dell.com> <20180210111848.GL33564@kib.kiev.ua> <5A7F6A7C.80607@dell.com> <20180210225608.GM33564@kib.kiev.ua> <5A82AB7C.6090404@dell.com> <20180213133010.GD94212@kib.kiev.ua> In-Reply-To: <20180213133010.GD94212@kib.kiev.ua> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.143.18.86] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Feb 2018 18:03:06 -0000 DQpPbiAwMi8xMy8yMDE4IDA3OjMwIEFNLCBLb25zdGFudGluIEJlbG91c292IHdyb3RlOg0KPiBB cHBhcmVudGx5IFJ5emVuIENQVXMgYXJlIGFibGUgdG8gZGVtb25zdHJhdGUgaXQgcXVpdGUgcmVs aWFibHkgd2l0aCB0aGUNCj4gcHl0aG9uIGRyaXZlciBmb3IgdGhlIHNhbWJhIGJ1aWxkLiAgSXQg d2FzIHZlcnkgc3VycHJpc2luZyB0byBtZSwgZXNwLg0KPiBiZWNhdXNlIEkgdHJpZWQgdG8gdW5k ZXJzdGFuZCB0aGUgUnl6ZW4gYnVnIGZvciB0aGUgd2hvbGUgbGFzdCB3ZWVrIGFuZA0KPiB0aG91 Z2h0IHRoYXQgaXQgaXMgbW9yZSBsaWtlbHkgQ1BVIHN0b3JlL2xvYWQgaW5jb25zaXN0ZW5jeSB0 aGFuIGEgc29mdHdhcmUNCj4gdGhpbmcuICBTZWUgaHR0cHM6Ly9idWdzLmZyZWVic2Qub3JnL2J1 Z3ppbGxhL3Nob3dfYnVnLmNnaT9pZD0yMjU1ODQuDQpDb29sLCBpdCBpcyBnb29kIHRvIGhhdmUg b3RoZXIgdmFsaWRhdGlvbnMuICBBcyBmb3IgdGhlIGdvb3NlLWNoYXNlLCANCml0J3MgdG90YWxs eSB1bmRlcnN0YW5kYWJsZTsgdGhlIHN1YnRsZSBuYXR1cmUgb2YgdGhlIGNvcnJ1cHRpb25zIChp ZS4gDQpzdGFsZSByZWFkcykgb2Z0ZW4gY2F1c2VzIHRoZSBzeW1wdG9tcyB0byBtYW5pZmVzdCBh cyBhbiANCk1QLWNhY2hpbmctc3RvcmUvbG9hZCBwcm9ibGVtLg0KPj4gSSBhbSBhbHNvIGF0dGFj aGluZyBhIHBhdGNoIHRoYXQgSSBoYXZlIGJlZW4gdXNpbmcgdG8gcHJldmVudCB0aGUNCj4+IHBy b2JsZW0uICBJIHdhcyBsb29raW5nIGF0IHRoaW5ncyB3aXRoIGEgbXVjaCBuYXJyb3dlciB2aWV3 IGFuZCBtYWRlIHRoZQ0KPj4gY2hhbmdlcyBkaXJlY3RseSBpbiBwbWFwX2VudGVyLiAgSSBzdXNw ZWN0IHRoZSBpbnRlcm5hbA0KPj4gZG91YmxlLXVwZGF0ZS1pbnZhbGlkYXRlIGlzIHNsaWdodGx5 IGJldHRlciBwZXJmb3JtYW5jZSB3aXNlIHRoZW4gdGFraW5nDQo+PiB0d28gd2hvbGUgZmF1bHRz LCBidXQgSSBoYXZlbid0IGJlbmNobWFya2VkIGl0LCBpdCBwcm9iYWJseSBkb2Vzbid0DQo+PiBt YXR0ZXIgbXVjaCBjb21wYXJlZCB0byB0aGUgY29zdCBhbmQgZnJlcXVlbmN5IG9mIHRoZSBhY3R1 YWwgY29waWVzLCBhbmQNCj4+IGl0IGFsc28gaGFzIHRoZSBkaXNhZHZhbnRhZ2Ugb2YgYmVpbmcg YXJjaGl0ZWN0dXJlIHNwZWNpZmljLiAgSSBhbHNvDQo+PiBkb24ndCBmZWVsIGxpa2UgSSBoYXZl IGVub3VnaCBleHBlcmllbmNlIHdpdGggdGhlIHZtIGZhdWx0IGNvZGUgaW4NCj4+IGdlbmVyYWwg Zm9yIG15IGNvbW1lbnRhcnkgdG8gYmUgdmVyeSB2YWx1YWJsZSBoZXJlLiAgSG93ZXZlciwgSSBk bw0KPj4gd29uZGVyOiAxKSBpZiB0aGVyZSBhcmUgYW55IG90aGVyIHNjZW5hcmlvcyB3aGVyZSBh IHBvdGVudGlhbGx5DQo+PiBhY2Nlc3NpYmxlIHBhZ2UgbWlnaHQgYmUgdW5kZXJnb2luZyBhbiBb YWRkcmVzcyt3cml0YWJsZV0gY2hhbmdlIGluIHRoZQ0KPj4gc2FtZSB3YXkgKHRoaXMgc29ydCBv ZiB0aGluZyBzZWVtcyBoYXJkIHRvIHJlYWQgb3V0IG9mIGNvZGUpLCBhbmQgMikgaWYNCj4+IHRo ZXJlIGlzIGV2ZXIgYW55IGxlZ2FsIHJlYXNvbiB3aHkgYW4gYWNjZXNzaWJsZSBwYWdlIHNob3Vs ZCBiZQ0KPj4gdW5kZXJnb2luZyBzdWNoIGEgY2hhbmdlPyAgSWYgbm90LCBwZXJoYXBzIHdlIGNv dWxkIGNvbWUgdXAgd2l0aCBhbg0KPj4gYXBwcm9wcmlhdGUgc2FuaXR5LWNoZWNrIGNvbmRpdGlv biB0byBndWFyZCBhZ2FpbnN0IGFueSBjYXNlcyBvZiB0aGlzDQo+PiBzb3J0IG9mIHRoaW5nIGFj Y2lkZW50YWxseSBzbGlwcGluZyBpbiB0aGUgZnV0dXJlLg0KPiBJIGFtIG5vdCBzdXJlIGhvdyB0 byBmb3JtdWxhdGUgc3VjaCBjaGVjay4gSSBiZWxpZXZlIHRoZXJlIGlzIG5vdyBvdGhlcg0KPiBw bGFjZSBpbiBrZXJuZWwsIGV4Y2VwdCB0aGUgQ09XIGhhbmRsaW5nLCB3aGljaCBjYW4gY3JlYXRl IHNpbWlsYXINCj4gc2l0dWF0aW9uLCBidXQgSSBjYW5ub3QgZ3VhcmFudGVlIGl0Lg0KPg0KPiBJ IGFsc28gYmVsaWV2ZSB0aGF0IHRoZSBwcm9ibGVtIGV4aXN0cyBmb3IgYWxsIFNNUCBoYXJkd2Fy ZSwgc28gZml4aW5nDQo+IHBtYXBzIHdvdWxkIGNyZWF0ZSBhIGxvdCBvZiB3b3JrLCB3aGljaCBp cyBhbHNvIHF1aXRlIGhhcmQgdG8gdmFsaWRhdGUuDQo+IE5vdGUgdGhhdCBzeXN0ZW0gZ2VuZXJh bGx5IGNvbnNpZGVycyB0aGUgZmF1bHRzIHdoaWNoIGRvIG5vdCBjYXVzZSBkaXNrDQo+IGlvIGFz ICdlYXN5JywgdGhleSBhcmUgYWNjb3VudGVkIGFzIHRoZSAnc29mdCBmYXVsdHMnLiAgU3VyZSwg bm90IGNhdXNpbmcNCj4gdGhlIHNlY29uZCBmYXVsdCBmb3Igd3JpdGUgd291bGQgYmUgbW9yZSBl ZmZpY2llbnQgdGhhbiBhcnJhbmdpbmcgZm9yIGl0LA0KPiBpZiBvbmx5IGJlY2F1c2Ugd2Ugd291 bGQgbm90IG5lZWQgdG8gbG9va3VwIGFuZCBsb2NrIHRoZSBtYXAgYW5kIHNoYWRvdw0KPiBjaGFp biBvZiB2bSBvYmplY3RzIGFuZCBwYWdlcywgYnV0IGZvcmsgaXMgcXVpdGUgY29zdGx5IGFscmVh ZHkgYW5kIGNvZGUNCj4gc2ltcGxpY2l0eSB0aGVyZSBpcyBhbHNvIGltcG9ydGFudC4NCkZhaXIg ZW5vdWdoLCB0aGFua3MgZm9yIHRoaXMgcGVyc3BlY3RpdmUuICBJIG5vdyBwbGFuIHRvIGFwcGx5 IGp1c3QgeW91ciANCnBhdGNoIGJhY2sgaW4gdGhlIG9yaWdpbmFsIGVudmlyb25tZW50IGFuZCBj b25maXJtIHN0YWJpbGl0eSBmb2xsb3dzLg0KPiBJIHB1dCB0aGUgcmV2aWV3IHdpdGggdGhlIHBh dGNoIGF0IGh0dHBzOi8vcmV2aWV3cy5mcmVlYnNkLm9yZy9EMTQzNDcuDQo+IFlvdSBoYXZlIHRv IGFkZCB5b3Vyc2VsZiBhcyBzdWJzcmliZXIgb3IgcmV2aWV3ZXIuDQpEb25lLCB0aGFua3MgYWdh aW4hDQo=