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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 2003CC47404 for ; Fri, 11 Oct 2019 11:07:39 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D4387206CD for ; Fri, 11 Oct 2019 11:07:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="LuF/o/Oo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D4387206CD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6A5088E0006; Fri, 11 Oct 2019 07:07:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6563F8E0001; Fri, 11 Oct 2019 07:07:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 543A18E0006; Fri, 11 Oct 2019 07:07:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0248.hostedemail.com [216.40.44.248]) by kanga.kvack.org (Postfix) with ESMTP id 2DE108E0001 for ; Fri, 11 Oct 2019 07:07:38 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id CA5C2181AC9AE for ; Fri, 11 Oct 2019 11:07:37 +0000 (UTC) X-FDA: 76031228154.08.scale93_85949d80c52d X-HE-Tag: scale93_85949d80c52d X-Filterd-Recvd-Size: 3679 Received: from mail-qk1-f195.google.com (mail-qk1-f195.google.com [209.85.222.195]) by imf14.hostedemail.com (Postfix) with ESMTP for ; Fri, 11 Oct 2019 11:07:37 +0000 (UTC) Received: by mail-qk1-f195.google.com with SMTP id f16so8465499qkl.9 for ; Fri, 11 Oct 2019 04:07:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=fhRFmkHyAxoggsqD4KnxC3QDzsYkibgJooXeMf6to+g=; b=LuF/o/OotnzHUK7u//h5FxCIivoOI1UcqVDmEJc+VucVnEfMsq7uIGsE5qS9GSqnjV lCTVQBnPMNdbT1GxpAIsToXKYMZwDSrLKNJXM8pEM3JKM8VBZqo4175fiedNPYXy+8wk mS6P5kXgvYi6uoLSYC9U3RUba0bM+gCqAN6i8EmtfNp+b1x16vj90EPrbUmk2WARWwt9 4pV3fPd4RhlwQ/Dsida87/VGb6WfNqBszt56gQ5YNcqSHIGlR2Yw/+bloaRTlp5aYTbU Z+4uEdoT5xIZvyJ/FdBW1YJaLrowOqV29YOcnMvuAy1sLUjhFIC1YzVircFa5pQeHujv j0tQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=fhRFmkHyAxoggsqD4KnxC3QDzsYkibgJooXeMf6to+g=; b=tW1DHHP98RJuZ2rKGwvoQd+6yetstY9Il4ZfYLzIS6XJ94TqupiCuqOUvtnPQkwahw JKbDVIySNnJYZIHaPuEf0ZpyvvH4YLdxVcG5Opajgbi3ItDNl3bUikR9EbKakBc0Twrp L9sRcfcN474NHOFIwbK9kR++6Wg1w0+L9nO8rsQMDj6FotJtz/e0AKPkH4JQ92R+gCT5 w32W8Inzg34pJWu7t+eIefea5kkNOC8pb8/5gh9VkyM4CFXHolD2/35a8CP1ulYfMWeo XF8K0xy+YaFcHlo1daO0plz67q0L7htWUvsPhw0GAaI9Ip1UfjUq1mKdJnW5N8kfJfa7 8RMQ== X-Gm-Message-State: APjAAAUSGmJ1f4Wjy+zsxS0w5eGemOwfz9RfHxdu8Q6AWxtf7ywC0YN+ mANR4LaAaZF9K5gAnTzvsY4nfAbAGP2fzQ== X-Google-Smtp-Source: APXvYqwf26+beDRiEznayQ9n1JDIBxpwPJNF1cRZSuh9K01KYUk4RZUYpdSAydkHfTPC7Z+HVii53g== X-Received: by 2002:a37:4553:: with SMTP id s80mr848341qka.334.1570792055855; Fri, 11 Oct 2019 04:07:35 -0700 (PDT) Received: from [192.168.1.183] (pool-71-184-117-43.bstnma.fios.verizon.net. [71.184.117.43]) by smtp.gmail.com with ESMTPSA id k2sm3893462qti.24.2019.10.11.04.07.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Oct 2019 04:07:35 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH] mm/page_owner: fix a crash after memory offline Date: Fri, 11 Oct 2019 07:07:34 -0400 Message-Id: <668C1E6F-C119-4BFB-9B9E-7E5568453855@lca.pw> References: Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "mhocko@suse.com" In-Reply-To: To: David Hildenbrand X-Mailer: iPhone Mail (17A860) X-Bogosity: Ham, tests=bogofilter, spamicity=0.003391, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Oct 11, 2019, at 5:57 AM, David Hildenbrand wrote: >=20 > You mean, I found the key to an unlimited amount of undetected BUGs, so I s= hould fix them? ;) No, it is more of for the sake of consistency, and the fact that all those b= ugs are only starting to show up only recently after applied to your series,= so you will probably explain for a better changelog why that fact is not im= portant. >=20 > In case you don't have time to explore all the dirty details, I can take i= t from here. Just let me know. Indeed, I will appreciate that if I don=E2=80=99t need to dig all those dirt= y details again myself.=