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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 55D7EC2D0CE for ; Tue, 21 Jan 2020 12:44:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0845E24653 for ; Tue, 21 Jan 2020 12:44:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nXwg4v7F" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0845E24653 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 790CD6B0003; Tue, 21 Jan 2020 07:44:19 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 741096B0005; Tue, 21 Jan 2020 07:44:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 62FCD6B0006; Tue, 21 Jan 2020 07:44:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 4E2786B0003 for ; Tue, 21 Jan 2020 07:44:19 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 02D97180AD801 for ; Tue, 21 Jan 2020 12:44:19 +0000 (UTC) X-FDA: 76401609438.03.screw85_5fce514984517 X-HE-Tag: screw85_5fce514984517 X-Filterd-Recvd-Size: 6320 Received: from mail-lf1-f65.google.com (mail-lf1-f65.google.com [209.85.167.65]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Tue, 21 Jan 2020 12:44:18 +0000 (UTC) Received: by mail-lf1-f65.google.com with SMTP id n25so2181133lfl.0 for ; Tue, 21 Jan 2020 04:44:18 -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=Wo7fc3ez9MSDXuDmx6Wi5ZDsN5E+2OwoZTC/0kpGh9c=; b=nXwg4v7FlNXNAr852XdeC/ApNMulKvmTRRn2ENLdFR+MjKQL/l2VSCYXBpIuQo6Oz7 aSg/Pkv0DGZCQStTFbrZ9+MmqVHKy7V1TpuG/udfC+Cn50nrhu3WE39miMhsB90Aa0c8 nHwUZwTOmWun+nxfujvCZA6ivHMZMoB+3X4ldaSnr33lSonMFDigcn7Sa2Uf6ci5p75N GPQ/ClBgMl9ylqF9BHjo8F86eCLP01G3OvucRp0d4J1+dYgmJZBNMec7uQvPeKUL+5PF TPz3O16jAE0FO7QNLNvuy8ARtWT6njeL0xcxAciccqT0OFIG9Ob1mYAbe7u/Ty4W7NZT z3Zw== 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=Wo7fc3ez9MSDXuDmx6Wi5ZDsN5E+2OwoZTC/0kpGh9c=; b=Ng4BNtPGDGFtF4CBQAiGWjiFosXnUbeAjsyKzSQ2DlWqMSSrW0ZHrppz6hsAF8dUq1 tntxOQvSbAThFJC1KgQqz44y6B7PzMf69EPBgSD6XVodWVskxMIuCCMGMnPQbMRdb+so 3JXgF/5SfHV81cQVwK+we3FA3O4FuG548DmU5AuyYLLt2M5gsoBMT/aY8TrKvAhnkMDM Xcz++wlGLn0ucC0czpYxd1rr1ysadfpj4fYpbBB/TRniCiL5Tjrn2hXPW0j5PkNGIeGK W2r18Is4FL7C6rLEj5WQ/pBALgUjekmqnlNdxPoIbyJowfzEg0jb3anEtAsEnIs0bLUh hUxQ== X-Gm-Message-State: APjAAAUeGDodcFP7zqucxgdimg6rFrn8m12i2zz+SWAFeGB5sJ7LWv4R LU6rYQY4BnflEt42ftSL3PU= X-Google-Smtp-Source: APXvYqwOS1bBZMNA0wUDtNk4+xeXobr7MRxDK+8eYf0lPtbIQWnXQ7x+h/IzQL0UdC9NI/xSGpyTTg== X-Received: by 2002:ac2:508e:: with SMTP id f14mr2555765lfm.72.1579610656638; Tue, 21 Jan 2020 04:44:16 -0800 (PST) Received: from N-20L6PF1KTYA2 ([131.228.2.21]) by smtp.gmail.com with ESMTPSA id 78sm18396814ljj.28.2020.01.21.04.44.12 (version=TLS1_2 cipher=AES128-GCM-SHA256 bits=128/128); Tue, 21 Jan 2020 04:44:15 -0800 (PST) Date: Tue, 21 Jan 2020 20:44:12 +0800 From: "Li Xinhai" To: "Michal Hocko" Cc: anshuman.khandual , n-horiguchi , "linux-mm@kvack.org" , akpm , torvalds , "linux-kernel@vger.kernel.org" , "Mike Kravetz" Subject: Re: [PATCH v4] mm/mempolicy,hugetlb: Checking hstate for hugetlbfs page in vma_migratable References: <1579147885-23511-1-git-send-email-lixinhai.lxh@gmail.com>, <20200116095614.GO19428@dhcp22.suse.cz>, <20200116215032206994102@gmail.com>, <20200116151803.GV19428@dhcp22.suse.cz>, <20200116233817972969139@gmail.com>, <20200117111629898234212@gmail.com>, <20200118111121432688303@gmail.com>, <20200120101202.GU18451@dhcp22.suse.cz>, <20200120233723466954346@gmail.com>, <20200120160500.GM18451@dhcp22.suse.cz> X-Priority: 3 X-GUID: D7658282-AF79-48CD-8458-C150FED250BE X-Has-Attach: no X-Mailer: Foxmail 7.2.13.365[cn] Mime-Version: 1.0 Message-ID: <20200121204409600197352@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: T24gMjAyMC0wMS0yMcKgYXQgMDA6MDXCoE1pY2hhbCBIb2Nrb8Kgd3JvdGU6Cj5PbiBNb24gMjAt MDEtMjAgMjM6Mzc6MjUsIExpIFhpbmhhaSB3cm90ZToKPlsuLi5dCj4+IENoYW5nZWxvZyBpcyB1 cGRhdGVkIGFzIGJlbG93LCB0aGFua3MgZm9yIGNvbW1lbnRzOgo+PiAtLS0KPj4gbW0vbWVtcG9s aWN5OiBDaGVja2luZyBodWdlcGFnZSBtaWdyYXRpb24gaXMgc3VwcG9ydGVkIGJ5IGFyY2ggaW4g dm1hX21pZ3JhdGFibGUKPj4KPj4gdm1hX21pZ3JhdGFibGUoKSBpcyBjYWxsZWQgdG8gY2hlY2sg aWYgcGFnZXMgaW4gdm1hIGNhbiBiZSBtaWdyYXRlZAo+PiBiZWZvcmUgZ28gYWhlYWQgdG8gZnVy dGhlciBhY3Rpb25zLiBDdXJyZW50bHkgaXQgaXMgdXNlZCBpbiBiZWxvdyBjb2RlCj4+IHBhdGg6 Cj4+IC0gdGFza19udW1hX3dvcmsKPj4gLSBtYmluZAo+PiAtIG1vdmVfcGFnZXMKPj4KPj4gRm9y IGh1Z2V0bGIgbWFwcGluZywgd2hldGhlciB2bWEgaXMgbWlncmF0YWJsZSBvciBub3QgaXMgZGV0 ZXJtaW5lZCBieToKPj4gLSBDT05GSUdfQVJDSF9FTkFCTEVfSFVHRVBBR0VfTUlHUkFUSU9OCj4+ IC0gYXJjaF9odWdldGxiX21pZ3JhdGlvbl9zdXBwb3J0ZWQKPj4KPj4gSXNzdWU6IGN1cnJlbnQg Y29kZSBvbmx5IGNoZWNrcyBmb3IgQ09ORklHX0FSQ0hfRU5BQkxFX0hVR0VQQUdFX01JR1JBVElP TiwKPj4gd2hpY2ggZXhwcmVzcyBsZXNzIGFjY3VyYXRlIHNlbWFudGljcyBvZiB2bWFfbWlncmF0 YWJsZSgpLiAobm90ZSB0aGF0Cj4+IGN1cnJlbnQgY29kZSBpbiB2bWFfbWlncmF0YWJsZSBkb24n dCBjYXVzZSBmYWlsdXJlIG9yIGJ1ZyBiZWNhdXNlCj4+IHVubWFwX2FuZF9tb3ZlX2h1Z2VfcGFn ZSgpIHdpbGwgY2F0Y2ggdW5zdXBwb3J0ZWQgaHVnZXBhZ2UgYW5kIGhhbmRsZSBpdAo+PiBwcm9w ZXJseSkKPj4KPj4gVGhpcyBwYXRjaCBjaGVja3MgdGhlIHR3byBmYWN0b3JzIGZvciBpbXBvdmVp bmcgY29kZSBsb2dpYyBhbmQKPj4gcm9idXN0bmVzcy4gSXQgd2lsbCBlbmFibGUgZWFybHkgYmFp bCBvdXQgb2YgaHVnZXBhZ2UgbWlncmF0aW9uIHByb2NlZHVyZSwKPj4gYnV0IGJlY2F1c2UgY3Vy cmVudGx5IGFsbCBhcmNoaXRlY3R1cmUgc3VwcG9ydGluZyBodWdlcGFnZSBtaWdyYXRpb24gaXMg YWJsZQo+PiB0byBzdXBwb3J0IGFsbCBwYWdlIHNpemUsIHdlIHdvdWxkIG5vdCBzZWUgcGVyZm9y bWFuY2UgZ2FpbiB3aXRoIHRoaXMgcGF0Y2gKPj4gYXBwbGllZC4KPgo+VGhpcyBsb29rcyBkZWZp bml0ZWx5IGJldHRlciB0aGFuIHRoZSBvcmlnaW5hbCBvbmUuIEkgaG9wZSBpdCBpcyBtb3JlCj5j bGVhciB0byB5b3Ugd2hhdCBJIG1lYW50IGJ5IGEgYmV0dGVyIGRlc2NyaXB0aW9uIGZvciB0aGUg anVzdGlmaWNhdGlvbi4KPkkgd291bGQganVzdCBhZGQgdGhhdCB0aGUgbm8gY29kZSBzaG91bGQg dXNlCj5DT05GSUdfQVJDSF9FTkFCTEVfSFVHRVBBR0VfTUlHUkFUSU9OIGRpcmVjdGx5IGFuZCB1 c2UKPmFyY2hfaHVnZXRsYl9taWdyYXRpb25fc3VwcG9ydGVkIGluc3RlYWQuIFRoaXMgd2lsbCBi ZSB0aGUgY2FzZSBhZnRlcgo+dGhpcyBwYXRjaC4KPgo+UGxlYXNlIGtlZXAgaW4gbWluZCB0aGF0 IGNoYW5nZWxvZ3MgYXJlIHJlYWxseSBpbXBvcnRhbnQgYW5kIGdyb3dpbmcgaW4KPmltcG9ydGFu Y2UgYXMgdGhlIGNvZGUgZ2V0cyBtb3JlIGNvbXBsaWNhdGVkIG92ZXIgdGltZS4gSXQgaXMgbXVj aCBtb3JlCj5lYXNpZXIgdG8gc2VlIHdoYXQgdGhlIHBhdGNoIGRvZXMgYmVjYXVzZSByZWFkaW5n IGRpZmZzIGFuZCB0aGUgY29kZSBpcwo+ZWFzeSBidXQgdGhlIGxhY2sgb2YgbW90aXZhdGlvbiBp cyB3aGF0IHBlb3BsZSB1c3VhbGx5IGZpZ2h0aW5nIHdpdGguIApZZXMsIHRoaXMgd2lsbCBiZSBu b3RlZCwgdGhhbmtzIGZvciBlbXBoZXJzaXNpbmcgdGhpcyBhbmQgaXQgd2lsbCBoZWxwIGFsbAp0 byBmb2xsb3cgdGhlIGNoYW5nZSBvZiBjb2RlLgoKPi0tCj5NaWNoYWwgSG9ja28KPlNVU0UgTGFi cw==