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 CF5EEC33CAF for ; Thu, 16 Jan 2020 03:22:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8173E2084D for ; Thu, 16 Jan 2020 03:22:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YzfiCo/w" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8173E2084D 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 1514E8E002E; Wed, 15 Jan 2020 22:22:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0DB708E0026; Wed, 15 Jan 2020 22:22:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EE4BB8E002E; Wed, 15 Jan 2020 22:22:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id D52178E0026 for ; Wed, 15 Jan 2020 22:22:08 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 9781D2C96 for ; Thu, 16 Jan 2020 03:22:08 +0000 (UTC) X-FDA: 76382048736.30.money14_87080183ada47 X-HE-Tag: money14_87080183ada47 X-Filterd-Recvd-Size: 7511 Received: from mail-lj1-f193.google.com (mail-lj1-f193.google.com [209.85.208.193]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Thu, 16 Jan 2020 03:22:07 +0000 (UTC) Received: by mail-lj1-f193.google.com with SMTP id m26so20903859ljc.13 for ; Wed, 15 Jan 2020 19:22:07 -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=d/KWweJ7ipOQFty1JH304phj9NGyfFkkRZRUl+I3aao=; b=YzfiCo/wiXNiiZ2Caa49L/elllVLR0ts1uJeFUQscacCcIKzCn2BiX24wGWDd+AmZ1 HODgvQ2JygzAdF4ARvdXuiLGI12psK8rc7b0bmMAF0RqOSsT/3gdJ7yrQ532Twl+5dhW 1+JyA0abKjn7qZMRqV5YFghN/O/3J0r2DziyFS6OaLc02BEy6hNafwQjIlnur6EayG4F RMp5gjfX6dNZUYuPb4lkHNNQ74BqDfJ4nVPQg9zOzc7Ewrb/2bblW7iS/83rIG9y+5Ui CHcujaMvjta5xzjupOZT9UNd81BDBrsC0lWnSlzgr04DJxZpcYjqTiYnFIKjeB/EbZL3 44lw== 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=d/KWweJ7ipOQFty1JH304phj9NGyfFkkRZRUl+I3aao=; b=QkFdTrM+Bz04YHpe5RTs16DSUjZi7sSlYs40CgIdx3TTa7nvFbVmeTS9ylydnRG3Ms iE09Ll8NTopHhTUxjtV6Wjb+Ji7Y9tdq1TToIhpNwuQD/glq5eCI5mujR+I0OeCIiIQi ZXwfzf6xxFQGzFG38E1pYIXBdG2FM75amQJKggZkYxtsLgDgmp3Qmq4/zcINDue8MS5Q N808XFBigk33miMsa578Y9eVi9HMVz4miA+lZgpPcniCe7a2+9xKg0J/wZTJNcF96jhC PHIb3VgaxgDYEe9qPMVz6dgyoKgrT5z+2KH5RtsGjMF748zXlC4R5xgingSynPIZCZtw Mosw== X-Gm-Message-State: APjAAAW2H8HIcjn94vZCLYe0qxZ04aoiByiPkFW6+8MUMcLdsfXRYsEO m+tmGFPPpWhYOx0MUzTnHbQ= X-Google-Smtp-Source: APXvYqyA2zM9/1bqMxg04z78BskMIX7NUsT/DwZkrnlDlpFceJ1GJc/qZXRIWAxWC/VP9SwOhDsz6w== X-Received: by 2002:a2e:880c:: with SMTP id x12mr907837ljh.44.1579144926160; Wed, 15 Jan 2020 19:22:06 -0800 (PST) Received: from N-20L6PF1KTYA2 ([131.228.2.21]) by smtp.gmail.com with ESMTPSA id w19sm9621404lfl.55.2020.01.15.19.22.03 (version=TLS1_2 cipher=AES128-GCM-SHA256 bits=128/128); Wed, 15 Jan 2020 19:22:05 -0800 (PST) Date: Thu, 16 Jan 2020 11:22:03 +0800 From: "Li Xinhai" To: "Mike Kravetz" , "linux-mm@kvack.org" Cc: akpm , mhocko Subject: Re: [PATCH v3] mm/mempolicy,hugetlb: Checking hstate for hugetlbfs page in vma_migratable References: <1579095541-32731-1-git-send-email-lixinhai.lxh@gmail.com>, <5eed1e80-bbeb-0f92-61d0-0d7fc8f1699c@oracle.com> X-Priority: 3 X-GUID: 6621EBAC-A99A-4BAB-A0C6-93A8E9465098 X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <2020011611220198056071@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 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: T24gMjAyMC0wMS0xNsKgYXQgMDg6MDnCoE1pa2UgS3JhdmV0esKgd3JvdGU6Cj5PbiAxLzE1LzIw IDU6MzkgQU0sIExpIFhpbmhhaSB3cm90ZToKPj4gQ2hlY2tpbmcgaHN0YXRlIGF0IGVhcmx5IHBo YXNlIHdoZW4gaXNvbGF0aW5nIHBhZ2UsIGluc3RlYWQgb2YgZHVyaW5nCj4+IHVubWFwIGFuZCBt b3ZlIHBoYXNlLCB0byBhdm9pZCB1c2VsZXNzIGlzb2xhdGlvbi4KPj4KPj4gU2lnbmVkLW9mZi1i eTogTGkgWGluaGFpIDxsaXhpbmhhaS5seGhAZ21haWwuY29tPgo+PiBDYzogTWljaGFsIEhvY2tv IDxtaG9ja29Ac3VzZS5jb20+Cj4+IENjOiBNaWtlIEtyYXZldHogPG1pa2Uua3JhdmV0ekBvcmFj bGUuY29tPgo+PiAtLS0KPj7CoCBpbmNsdWRlL2xpbnV4L2h1Z2V0bGJfaW5saW5lLmggfCA3ICsr KysrKysKPj7CoCBpbmNsdWRlL2xpbnV4L21lbXBvbGljeS5owqDCoMKgwqDCoCB8IDUgKystLS0K Pj7CoCBtbS9odWdldGxiLmPCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgfCA5 ICsrKysrKysrKwo+PsKgIDMgZmlsZXMgY2hhbmdlZCwgMTggaW5zZXJ0aW9ucygrKSwgMyBkZWxl dGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvbGludXgvaHVnZXRsYl9pbmxpbmUu aCBiL2luY2x1ZGUvbGludXgvaHVnZXRsYl9pbmxpbmUuaAo+PiBpbmRleCAwNjYwYTAzLi5mYzA3 MTM5IDEwMDY0NAo+PiAtLS0gYS9pbmNsdWRlL2xpbnV4L2h1Z2V0bGJfaW5saW5lLmgKPj4gKysr IGIvaW5jbHVkZS9saW51eC9odWdldGxiX2lubGluZS5oCj4+IEBAIC0xMSw2ICsxMSw4IEBAIHN0 YXRpYyBpbmxpbmUgYm9vbCBpc192bV9odWdldGxiX3BhZ2Uoc3RydWN0IHZtX2FyZWFfc3RydWN0 ICp2bWEpCj4+wqAgcmV0dXJuICEhKHZtYS0+dm1fZmxhZ3MgJiBWTV9IVUdFVExCKTsKPj7CoCB9 Cj4+wqAKPj4gK2V4dGVybiBib29sIHZtX2h1Z2VwYWdlX21pZ3JhdGlvbl9zdXBwb3J0ZWQoc3Ry dWN0IHZtX2FyZWFfc3RydWN0ICp2bWEpOwo+PiArCj4+wqAgI2Vsc2UKPj7CoAo+PsKgIHN0YXRp YyBpbmxpbmUgYm9vbCBpc192bV9odWdldGxiX3BhZ2Uoc3RydWN0IHZtX2FyZWFfc3RydWN0ICp2 bWEpCj4+IEBAIC0xOCw2ICsyMCwxMSBAQCBzdGF0aWMgaW5saW5lIGJvb2wgaXNfdm1faHVnZXRs Yl9wYWdlKHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAqdm1hKQo+PsKgIHJldHVybiBmYWxzZTsKPj7C oCB9Cj4+wqAKPj4gK3N0YXRpYyBpbmxpbmUgYm9vbCB2bV9odWdlcGFnZV9taWdyYXRpb25fc3Vw cG9ydGVkKHN0cnVjdCB2bV9hcmVhX3N0cnVjdCAqdm1hKQo+PiArewo+PiArCXJldHVybiBmYWxz ZTsKPj4gK30KPj4gKwo+PsKgICNlbmRpZgo+PsKgCj4+wqAgI2VuZGlmCj4+IGRpZmYgLS1naXQg YS9pbmNsdWRlL2xpbnV4L21lbXBvbGljeS5oIGIvaW5jbHVkZS9saW51eC9tZW1wb2xpY3kuaAo+ PiBpbmRleCA1MjI4YzYyLi5lOWVkNDllIDEwMDY0NAo+PiAtLS0gYS9pbmNsdWRlL2xpbnV4L21l bXBvbGljeS5oCj4+ICsrKyBiL2luY2x1ZGUvbGludXgvbWVtcG9saWN5LmgKPj4gQEAgLTE4NSwx MCArMTg1LDkgQEAgc3RhdGljIGlubGluZSBib29sIHZtYV9taWdyYXRhYmxlKHN0cnVjdCB2bV9h cmVhX3N0cnVjdCAqdm1hKQo+PsKgIGlmICh2bWFfaXNfZGF4KHZtYSkpCj4+wqAgcmV0dXJuIGZh bHNlOwo+PsKgCj4+IC0jaWZuZGVmIENPTkZJR19BUkNIX0VOQUJMRV9IVUdFUEFHRV9NSUdSQVRJ T04KPj4gLQlpZiAodm1hLT52bV9mbGFncyAmIFZNX0hVR0VUTEIpCj4+ICsJaWYgKGlzX3ZtX2h1 Z2V0bGJfcGFnZSh2bWEpICYmCj4+ICsJIXZtX2h1Z2VwYWdlX21pZ3JhdGlvbl9zdXBwb3J0ZWQo dm1hKSkKPj7CoCByZXR1cm4gZmFsc2U7Cj4+IC0jZW5kaWYKPj7CoAo+PsKgIC8qCj4+wqAgKiBN aWdyYXRpb24gYWxsb2NhdGVzIHBhZ2VzIGluIHRoZSBoaWdoZXN0IHpvbmUuIElmIHdlIGNhbm5v dAo+Cj5UaGVyZSBhcmUgbm90IG1hbnkgd2F5cyB0byB3b3JrIGFyb3VuZCB0aGUgaHVnZXBhZ2Vf bWlncmF0aW9uX3N1cHBvcnRlZAo+ZGVwZW5kZW5jeSBpc3N1ZS7CoCBJIHN1cHBvc2UgeW91IGNv dWxkIGhhdmUgbW92ZWQgdm1hX21pZ3JhdGFibGUoKSBpbnRvCj5tbS9tZW1wb2xpY3kuYyBpbnN0 ZWFkIG9mIGJlaW5nIGFuIGlubGluZSBpbiB0aGUgaGVhZGVyIGZpbGUuwqAgSG93ZXZlciwKPml0 IGlzIHByb2JhYmx5IGJlc3QgdG8gZG8gd2hhdCB5b3UgaGF2ZSBkb25lIGFuZCBoaWRlIHRoZSB1 Z2x5IHN0dWZmIGluCj50aGUgaHVnZXRsYmZzIGZpbGVzLiAKWWVzLCB0aGF0IGxvb2tzIGJldHRl ciwgdGhhbmtzLiBJIHdpbGwgcHJlcGFyZSBuZXcgb25lLgoKPgo+PiBkaWZmIC0tZ2l0IGEvbW0v aHVnZXRsYi5jIGIvbW0vaHVnZXRsYi5jCj4+IGluZGV4IGRkODczN2EuLjhjZTRhOTggMTAwNjQ0 Cj4+IC0tLSBhL21tL2h1Z2V0bGIuYwo+PiArKysgYi9tbS9odWdldGxiLmMKPj4gQEAgLTEzMTYs NiArMTMxNiwxNSBAQCBpbnQgUGFnZUhlYWRIdWdlKHN0cnVjdCBwYWdlICpwYWdlX2hlYWQpCj4+ wqAgcmV0dXJuIGdldF9jb21wb3VuZF9wYWdlX2R0b3IocGFnZV9oZWFkKSA9PSBmcmVlX2h1Z2Vf cGFnZTsKPj7CoCB9Cj4+wqAKPj4gK2Jvb2wgdm1faHVnZXBhZ2VfbWlncmF0aW9uX3N1cHBvcnRl ZChzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYSkKPj4gK3sKPj4gKwlWTV9CVUdfT05fVk1BKCFp c192bV9odWdldGxiX3BhZ2Uodm1hKSwgdm1hKTsKPgo+VGhpcyBWTV9CVUdfT05fVk1BKCkgc2Vl bXMgdW5uZWNlc3NhcnkuwqAgVGhlIG9ubHkgY2FsbGVyIGlzIHRoZSBvbmUKPmFkZGVkIHdpdGgg dGhpcyBwYXRjaCB3aGljaCBpcyBvbmx5IGNhbGxlZCBpZiBpc192bV9odWdldGxiX3BhZ2Uodm1h KS4KPkV2ZW4gdGhvdWdoIFZNX0JVR19PTigpIGlzIG9ubHkgZW5hYmxlZCBpZiBDT05GSUdfREVC VUdfVk0sIG1hbnkgZGlzdHJvcwo+KGluY2x1ZGluZyB0aGUgb25lIHJ1bm5pbmcgbXkgZGVza3Rv cCkgZW5hYmxlIENPTkZJR19ERUJVR19WTSBpbiB0aGVpcgo+ZGVmYXVsdCBrZXJuZWwuCj4KPi0t Cj5NaWtlIEtyYXZldHoKPgo+PiArCWlmIChodWdlcGFnZV9taWdyYXRpb25fc3VwcG9ydGVkKGhz dGF0ZV92bWEodm1hKSkpCj4+ICsJcmV0dXJuIHRydWU7Cj4+ICsKPj4gKwlyZXR1cm4gZmFsc2U7 Cj4+ICt9Cj4+ICsKPj7CoCBwZ29mZl90IF9fYmFzZXBhZ2VfaW5kZXgoc3RydWN0IHBhZ2UgKnBh Z2UpCj4+wqAgewo+PsKgIHN0cnVjdCBwYWdlICpwYWdlX2hlYWQgPSBjb21wb3VuZF9oZWFkKHBh Z2UpOwo+Pg==