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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 71FB9C433E0 for ; Wed, 20 May 2020 12:01:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 393A7207D4 for ; Wed, 20 May 2020 12:01:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727033AbgETMBs (ORCPT ); Wed, 20 May 2020 08:01:48 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:2079 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726548AbgETMBs (ORCPT ); Wed, 20 May 2020 08:01:48 -0400 Received: from dggemi402-hub.china.huawei.com (unknown [172.30.72.54]) by Forcepoint Email with ESMTP id 64AB07AEC28EAF21D1F4; Wed, 20 May 2020 20:01:45 +0800 (CST) Received: from DGGEMI421-HUB.china.huawei.com (10.1.199.150) by dggemi402-hub.china.huawei.com (10.3.17.135) with Microsoft SMTP Server (TLS) id 14.3.487.0; Wed, 20 May 2020 20:01:44 +0800 Received: from DGGEMI525-MBS.china.huawei.com ([169.254.6.191]) by dggemi421-hub.china.huawei.com ([10.1.199.150]) with mapi id 14.03.0487.000; Wed, 20 May 2020 20:01:38 +0800 From: Song Bao Hua To: Sebastian Andrzej Siewior CC: "linux-kernel@vger.kernel.org" , "Peter Zijlstra" , Ingo Molnar , "Steven Rostedt" , Will Deacon , "Thomas Gleixner" , "Paul E . McKenney" , Linus Torvalds , "Luis Claudio R. Goncalves" , Seth Jennings , Dan Streetman , Vitaly Wool , Andrew Morton , "linux-mm@kvack.org" , Linuxarm Subject: RE: [PATCH 8/8] mm/zswap: Use local lock to protect per-CPU data Thread-Topic: [PATCH 8/8] mm/zswap: Use local lock to protect per-CPU data Thread-Index: AQHWLhsB19zOKbhSok+Mjvon7Zb2Y6iv78fAgABQKwCAAIyLcP//jOuAgACGTEA= Date: Wed, 20 May 2020 12:01:37 +0000 Message-ID: References: <20200519201912.1564477-1-bigeasy@linutronix.de> <20200519201912.1564477-9-bigeasy@linutronix.de> <20200520102634.pin4mzyytmfqtuo2@linutronix.de> <20200520115741.wy2qnmauxmjtrrzj@linutronix.de> In-Reply-To: <20200520115741.wy2qnmauxmjtrrzj@linutronix.de> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.126.201.151] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBTdWJqZWN0OiBSZTogW1BBVENIIDgvOF0gbW0venN3YXA6IFVzZSBsb2NhbCBsb2NrIHRvIHBy b3RlY3QgcGVyLUNQVSBkYXRhDQo+IA0KPiBPbiAyMDIwLTA1LTIwIDExOjEzOjMxIFsrMDAwMF0s IFNvbmcgQmFvIEh1YSB3cm90ZToNCj4gPiBGb3IgZXhhbXBsZSwgb24gY3B1MSwgb25jZSB5b3Ug YmVnaW4gdG8gY29tcHJlc3MsIHlvdSBob2xkIHRoZSBwZXJjcHUNCj4gYWNvbXAtY3R4IGFuZCBw ZXJjcHUgZGVzdGluYXRpb24gYnVmZmVyIG9mIENQVTEsIHRoZSBiZWxvdyBjb2RlIG1ha2VzIHN1 cmUNCj4geW91IGdldCB0aGUgYWNvbXAgYW5kIGRzdG1lbSBmcm9tIHRoZSBzYW1lIGNvcmUgYnkg ZGlzYWJsaW5nIHByZWVtcHRpb24NCj4gd2l0aCBnZXRfY3B1X3ZhciBhbmQgcHV0X2NwdV92YXI6 DQo+ID4gZHN0ID0gZ2V0X2NwdV92YXIoenN3YXBfZHN0bWVtKTsNCj4gPiBhY29tcF9jdHggPSAq dGhpc19jcHVfcHRyKGVudHJ5LT5wb29sLT5hY29tcF9jdHgpOw0KPiA+IHB1dF9jcHVfdmFyKHpz d2FwX2RzdG1lbSk7DQo+ID4NCj4gPiB0aGVuIHRoZXJlIGFyZSB0d28gY2FzZXM6DQo+ID4NCj4g PiAxLiBhZnRlciBnZXR0aW5nIGRzdCBhbmQgYWNvbXBfY3R4IG9mIGNwdTEsIHlvdSBtaWdodCBh bHdheXMgd29yayBpbiBjcHUxLA0KPiB0aGUgbXV0ZXggaW4gcGVyLWNwdSBhY29tcC1jdHggd2ls bCBndWFyYW50ZWUgdHdvIGNvbXByZXNzaW9ucyB3b24ndCBkbyBhdA0KPiB0aGUgc2FtZSBjb3Jl IGluIHBhcmFsbGVsLCBhbmQgaXQgYWxzbyBtYWtlcyBjZXJ0YWluIGNvbXByZXNzaW9uIGFuZA0K PiBkZWNvbXByZXNzaW9uIHdvbid0IGRvIGF0IHRoZSBzYW1lIGNvcmUgaW4gcGFyYWxsZWwuIEV2 ZXJ5dGhpbmcgaXMgbGlrZSBiZWZvcmUuDQo+IA0KPiBGb3IgcmVhZGFiaWxpdHkgSSBzdWdnZXN0 IG5vdCB0byBtaXggcGVyLUNQVSBhbmQgcGVyLUNUWCB2YXJpYWJsZXMgbGlrZSB0aGF0LiBJZg0K PiB6c3dhcF9kc3RtZW0gaXMgcHJvdGVjdGVkIGJ5IHRoZSBtdXRleCwgcGxlYXNlIG1ha2UgaXQg cGFydCBvZiBhY29tcF9jdHguDQo+IA0KDQpZZXAuIGl0IHNlZW1zIHRoaXMgd2lsbCBhdm9pZCB0 aGUgZnVydGhlciBleHBsYW5hdGlvbnMgdG8gbW9yZSBwZW9wbGUgd2hvIHdpbGwgcmVhZCB0aGUg Y29kZSA6LSkNCg0KPiBTZWJhc3RpYW4NCg0KQmFycnkNCg0K