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=-6.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 49262C33CB1 for ; Tue, 14 Jan 2020 14:09:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 09D9824672 for ; Tue, 14 Jan 2020 14:09:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ASA/G7yH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09D9824672 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 944638E0005; Tue, 14 Jan 2020 09:09:32 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8E9A38E0003; Tue, 14 Jan 2020 09:09:32 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7B2878E0005; Tue, 14 Jan 2020 09:09:32 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0191.hostedemail.com [216.40.44.191]) by kanga.kvack.org (Postfix) with ESMTP id 654838E0003 for ; Tue, 14 Jan 2020 09:09:32 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 148D81F06 for ; Tue, 14 Jan 2020 14:09:32 +0000 (UTC) X-FDA: 76376422584.28.wheel88_8d48c9b07bd0b X-HE-Tag: wheel88_8d48c9b07bd0b X-Filterd-Recvd-Size: 4800 Received: from mail-lf1-f65.google.com (mail-lf1-f65.google.com [209.85.167.65]) by imf10.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Jan 2020 14:09:30 +0000 (UTC) Received: by mail-lf1-f65.google.com with SMTP id n25so9960768lfl.0 for ; Tue, 14 Jan 2020 06:09:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:references:mime-version:message-id :content-transfer-encoding; bh=WRl1x6XWe6nbBn2KE1EzVliCSArqJZwkPcqSgwVzDwo=; b=ASA/G7yH2q7AjRPLQgyg85jxTTbOLDnsorrPZTvOabmhRoGeJ/WC7RXnWFMtB5CSL5 lYraNVI5bhiJuZ5ywhZMWjjEu2jbW1OtyR1LxHdMGkgvz4Rk/z77aH9kA2HGdQCYxGbb +P233wBGWcb4x5YeQ1yu4CK//5MT7d76rq9Pwc5Mobwlh8EoJwLMfE6Srbo6dk8YGtQc p7wa6PVtAYk8vBVPXIAvdWSTgqny8LBwVYnz0kFY8EPawB8uULoAyJj7smD/MeMGDqxO leU+zzKiP+u7/cBpBvlw/C3mm+97Mwxm79s2DUkmWA6zoTguy2zqz0vwureHxKbVmPuf /v/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:references:mime-version :message-id:content-transfer-encoding; bh=WRl1x6XWe6nbBn2KE1EzVliCSArqJZwkPcqSgwVzDwo=; b=r98YLDBgzI8zSJsui2+N3z2WqPvQXfCkgHXEuKfVXK+R7ayxy+ws7URYRIC3ZZKSfC TdfTjSYJJpfwPgjRS+ThYxAGOJGRWXAHi/2hYIjrtEuc9kldscasHhSqGx20zFObg8ka 2WbOJZqsDPNl1NZgriJF2y2ae+97dxNQ4+3K99mNje0HTqp16oqKmXhE0PsIkRJD991M PYCZotyHyIaMYm/u6abdbo98e72jO4QVDb/Vwl6XtbvdroIALnJMSvHXXR12xs3t6n6O b0MsrwIrattfASxExlTooD9TmEHdNs5uw2633upEvGDg8bpkCVoR+zwuzfQQ7a2kGqtc zX7g== X-Gm-Message-State: APjAAAVuM/NVhkhZ7UcrufMKTjz4ypDXMk5NoiYE1dVywo/gNjpreWGx o+Ch3UpMqoS77iAobvCREUDkRuds X-Google-Smtp-Source: APXvYqw4nPpycq4gH5/FGXQPgqBe21AH/CO82AKwYgXVAD2V2sPQnNjEtOfkHKKQZ/LFQHbDfCkZMw== X-Received: by 2002:a05:6512:3ab:: with SMTP id v11mr1781564lfp.203.1579010969169; Tue, 14 Jan 2020 06:09:29 -0800 (PST) Received: from N-20L6PF1KTYA2 ([131.228.2.21]) by smtp.gmail.com with ESMTPSA id z14sm7605125ljm.86.2020.01.14.06.09.25 (version=TLS1_2 cipher=AES128-GCM-SHA256 bits=128/128); Tue, 14 Jan 2020 06:09:28 -0800 (PST) Date: Tue, 14 Jan 2020 22:09:25 +0800 From: "Li Xinhai" To: "linux-mm@kvack.org" Cc: akpm , mhocko , "Mike Kravetz" , yang.shi , n-horiguchi Subject: Re: [PATCH 2/2] mm/mempolicy: Skip walking HUGETLB vma if MPOL_MF_STRICT is specified alone References: <1578993378-10860-1-git-send-email-lixinhai.lxh@gmail.com>, <1578993378-10860-2-git-send-email-lixinhai.lxh@gmail.com> X-Priority: 3 X-GUID: A7248B61-852E-4057-A050-019A2BE9530A X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <2020011422092314671410@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000247, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: QWRkIGNjIHRvCllhbmcgU2hpIDx5YW5nLnNoaUBsaW51eC5hbGliYWJhLmNvbT4KTmFveWEgSG9y aWd1Y2hpIDxuLWhvcmlndWNoaUBhaC5qcC5uZWMuY29tPgosIHdobyBoYXMgYmVlbiB3b3JrZWQg b24gdGhpcyBwYXJ0CgpPbiAyMDIwLTAxLTE0wqBhdCAxNzoxNsKgTGkgWGluaGFpwqB3cm90ZToK PkNoZWNraW5nIE1QT0xfTUZfU1RSSUNUIGlzIGlnbm9yZWQgZm9yIEhVR0VUTEIgdm1hIGFjY29y ZGluZyB0byBtYmluZCBtYW4KPnBhZ2U6Cj4KPk5vdGVzCj5NUE9MX01GX1NUUklDVCBpcyBpZ25v cmVkIG9uIGh1Z2UgcGFnZSBtYXBwaW5ncy4KPgo+SWYgTVBPTF9NRl9TVFJJQ1QgaXMgc3BlY2lm aWVkIGFsb25lIHdpdGhvdXQgYW55IE1PVkUgZmxhZywgd2Ugc2hvdWxkCj5pbmRpY2F0ZSwgZnJv bSB0ZXN0X3dhbGssIHRoYXQgd2Fsa2luZyB0aGlzIHZtYSBzaG91bGQgYmUgc2tpcHBlZCBldmVu IGlmCj50aGVyZSBhcmUgbWlzcGxhY2VkIHBhZ2VzLgo+Cj5TaWduZWQtb2ZmLWJ5OiBMaSBYaW5o YWkgPGxpeGluaGFpLmx4aEBnbWFpbC5jb20+Cj5DYzogTWljaGFsIEhvY2tvIDxtaG9ja29Ac3Vz ZS5jb20+Cj5DYzogTWlrZSBLcmF2ZXR6IDxtaWtlLmtyYXZldHpAb3JhY2xlLmNvbT4KPi0tLQo+ IG1tL21lbXBvbGljeS5jIHwgNyArKysrKysrCj4gMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9u cygrKQo+Cj5kaWZmIC0tZ2l0IGEvbW0vbWVtcG9saWN5LmMgYi9tbS9tZW1wb2xpY3kuYwo+aW5k ZXggMDY3Y2Y3ZC4uYzExN2I1ZiAxMDA2NDQKPi0tLSBhL21tL21lbXBvbGljeS5jCj4rKysgYi9t bS9tZW1wb2xpY3kuYwo+QEAgLTY1Niw2ICs2NTYsMTMgQEAgc3RhdGljIGludCBxdWV1ZV9wYWdl c190ZXN0X3dhbGsodW5zaWduZWQgbG9uZyBzdGFydCwgdW5zaWduZWQgbG9uZyBlbmQsCj4gcmV0 dXJuIDE7Cj4gfQo+Cj4rCS8qIE1QT0xfTUZfU1RSSUNUIGlzIGlnbm9yZWQgZm9yIGh1Z2UgcGFn ZSwgc2tpcCBjaGVja2luZwo+KwkqwqAgbWlzcGxhY2VkIHBhZ2VzCj4rCSovCj4rCWlmICgoZmxh Z3MgJiBNUE9MX01GX1ZBTElEKSA9PSBNUE9MX01GX1NUUklDVCAmJgo+Kwlpc192bV9odWdldGxi X3BhZ2Uodm1hKSkKPisJcmV0dXJuIDE7Cj4rCj4gLyogcXVldWUgcGFnZXMgZnJvbSBjdXJyZW50 IHZtYSAqLwo+IGlmIChmbGFncyAmIE1QT0xfTUZfVkFMSUQpCj4gcmV0dXJuIDA7Cj4tLQo+MS44 LjMuMQo+