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=-0.6 required=3.0 tests=BAYES_00, CHARSET_FARAWAY_HEADER,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 9B0D4C433DF for ; Mon, 27 Jul 2020 03:14:45 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4C7C92076C for ; Mon, 27 Jul 2020 03:14:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C7C92076C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 94ACF6B0002; Sun, 26 Jul 2020 23:14:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8FBCD6B0003; Sun, 26 Jul 2020 23:14:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7E9266B0005; Sun, 26 Jul 2020 23:14:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0042.hostedemail.com [216.40.44.42]) by kanga.kvack.org (Postfix) with ESMTP id 69E2A6B0002 for ; Sun, 26 Jul 2020 23:14:44 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 104528248D7C for ; Mon, 27 Jul 2020 03:14:44 +0000 (UTC) X-FDA: 77082388488.28.berry43_2617b8e26f5d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id D29656C1A for ; Mon, 27 Jul 2020 03:14:43 +0000 (UTC) X-HE-Tag: berry43_2617b8e26f5d X-Filterd-Recvd-Size: 3474 Received: from huawei.com (szxga03-in.huawei.com [45.249.212.189]) by imf32.hostedemail.com (Postfix) with ESMTP for ; Mon, 27 Jul 2020 03:14:43 +0000 (UTC) Received: from DGGEML402-HUB.china.huawei.com (unknown [172.30.72.55]) by Forcepoint Email with ESMTP id 2F35626C562FB5507ACA; Mon, 27 Jul 2020 11:14:39 +0800 (CST) Received: from DGGEML508-MBX.china.huawei.com ([169.254.3.30]) by DGGEML402-HUB.china.huawei.com ([fe80::fca6:7568:4ee3:c776%31]) with mapi id 14.03.0487.000; Mon, 27 Jul 2020 11:14:29 +0800 From: jingrui To: Michal Hocko CC: "tj@kernel.org" , Lizefan , "hannes@cmpxchg.org" , "vdavydov.dev@gmail.com" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "cgroups@vger.kernel.org" , "linux-kernel@vger.kernel.org" , caihaomin , "Weiwei (N)" , "Fangxiuning (Jack, EulerOS)" Subject: =?gb2312?B?UkU6ILTwuLQ6IFBST0JMRU06IGNncm91cCBjb3N0IHRvbyBtdWNoIG1lbW9y?= =?gb2312?Q?y_when_transfer_small_files_to_tmpfs?= Thread-Topic: =?gb2312?B?tPC4tDogUFJPQkxFTTogY2dyb3VwIGNvc3QgdG9vIG11Y2ggbWVtb3J5IHdo?= =?gb2312?Q?en_transfer_small_files_to_tmpfs?= Thread-Index: AdZfPbaDbBlN0uuzRT+WBs1zGYD4fAAETDVgAH9ylAAAE+ehUP//nlQA//tVE3A= Date: Mon, 27 Jul 2020 03:14:28 +0000 Message-ID: <2E04DD7753BE0E4ABABF0B664610AD6F2621907D@dggeml508-mbx.china.huawei.com> References: <2E04DD7753BE0E4ABABF0B664610AD6F2620CAF7@dggeml528-mbx.china.huawei.com> <20200724075508.GF4061@dhcp22.suse.cz> <2E04DD7753BE0E4ABABF0B664610AD6F2620D4F6@dggeml528-mbx.china.huawei.com> <20200724113530.GH4061@dhcp22.suse.cz> In-Reply-To: <20200724113530.GH4061@dhcp22.suse.cz> Accept-Language: en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.179.43] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: D29656C1A X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: Q2MgRmFuZ3hpdW5pbmcNCg0KT24gRnJpIDI0LTA3LTIwIDA5OjM1OjI2LCBqaW5ncnVpIHdyb3Rl Og0KPiANCj4gT24gRnJpZGF5LCBKdWx5IDI0LCAyMDIwIDM6NTUgUE0sIE1pY2hhbCBIb2NrbyB3 cm90ZToNCj4gDQo+ID4gV2hhdCBpcyB0aGUgcmVhc29uIHRvIHJ1biB1bmRlciAhcm9vdCBjZ3Jv dXAgaW4gdGhvc2Ugc2Vzc2lvbnMgaWYgeW91IGRvIG5vdCBjYXJlIGFib3V0IGFjY291bnRpbmcg YW55d2F5PyANCj4gDQo+IFRoZSBzeXN0ZW1kIG5vdCBzdXBwb3J0IHJ1biB0aG9zZSBzZXNzaW9u cyB1bmRlciByb290IGNncm91cCwgZGlzYWJsZSANCj4gcGFtLXN5c3RlbWQgd2lsbCBub3QgY3Jl YXRlIHNlc3Npb24vY2dyb3VwLCBidXQgdGhpcyBpcyBub3Qgc2FmZSBhbmQgDQo+IG1ha2Ugc3lz dGVtZC1sb2dpbmQgbm90IHdvcmsuDQoNCkNvdWxkIHlvdSBiZSBtb3JlIHNwZWNpZmljIHBsZWFz ZT8NCg0KQXMgSSBrbm93LCB3aGVuIHVzZXIgY2FsbCBzZnRwIGNsaWVudCB0byBzZW5kIGZpbGVz LCB0aGUgc2VydmVyIHdpbGwgY2FsbCBwYW0tc3lzdGVtZC5zbyBsaWIgdG8gY3JlYXRlIHNlc3Np b24gYW5kIGNncm91cC4NCldlIGNhbiBza2lwIGNhbGwgcGFtLXN5c3RlbWQuc28gYnkgY29uZmln IC9ldGMvcGFtLmQvcGFzc3dvcmQtYXV0aCBkcm9wIHRoZSBsaW5lICIgLXNlc3Npb24gICAgIG9w dGlvbmFsICAgICAgcGFtX3N5c3RlbWQuc28iLg0KQnV0IHRoaXMgY29uZmlnIGlzIGdsb2JhbCwg IGFuZCB3aWxsIGFmZmVjdCBvdGhlciBzZXJ2aWNlcywgc3VjaCBhcyBzc2ggbG9naW4uIFdlIGRv bqGvdCBmaW5kIGEgd2F5IGp1c3QgZG9uoa90ICBjcmVhdGUgY2dyb3VwIGRpciBmb3Igc2Z0cC4N Cg0KQFhpdW5pbmcgV291bGQgeW91IHBsZWFzZSB0YWtlIGEgbG9vayBhbmQgZ2l2ZSBzb21lIHN1 Z2dlc3Rpb24/DQoNCi0tDQpNaWNoYWwgSG9ja28NClNVU0UgTGFicw0K