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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 B2940C433E2 for ; Tue, 15 Sep 2020 07:37:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 53F4320897 for ; Tue, 15 Sep 2020 07:37:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="faIHbkL2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53F4320897 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=amazon.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B8788900028; Tue, 15 Sep 2020 03:37:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B35C690001D; Tue, 15 Sep 2020 03:37:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A24DB900028; Tue, 15 Sep 2020 03:37:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0019.hostedemail.com [216.40.44.19]) by kanga.kvack.org (Postfix) with ESMTP id 8D72C90001D for ; Tue, 15 Sep 2020 03:37:45 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 46010824999B for ; Tue, 15 Sep 2020 07:37:45 +0000 (UTC) X-FDA: 77264491290.04.peace52_10171d12710f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 1FFDA8007DD4 for ; Tue, 15 Sep 2020 07:37:45 +0000 (UTC) X-HE-Tag: peace52_10171d12710f X-Filterd-Recvd-Size: 2430 Received: from smtp-fw-6002.amazon.com (smtp-fw-6002.amazon.com [52.95.49.90]) by imf50.hostedemail.com (Postfix) with ESMTP for ; Tue, 15 Sep 2020 07:37:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1600155465; x=1631691465; h=from:to:cc:subject:date:message-id:in-reply-to: mime-version; bh=6E7s73p+74t1bj0Uzo9j54tfMetyj7tWocC1TPx6OJ4=; b=faIHbkL2didn9oRYsFkFihMKzsduKD7nZbDK/CSsj8uP+hb90mejGQDK jQgDGBdmtLFgZ/w7JyhIgwDXT8N4RmtvirikCM868QdhBdu1ZGK8EXsCV RG+yqxFaS4tQ73CWyyOPN3el98r8gwdF3WFO8FXXXhU8GpoM9Z5XdWktF M=; X-IronPort-AV: E=Sophos;i="5.76,429,1592870400"; d="scan'208";a="53995118" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1a-821c648d.us-east-1.amazon.com) ([10.43.8.6]) by smtp-border-fw-out-6002.iad6.amazon.com with ESMTP; 15 Sep 2020 07:37:44 +0000 Received: from EX13D31EUA004.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan2.iad.amazon.com [10.40.163.34]) by email-inbound-relay-1a-821c648d.us-east-1.amazon.com (Postfix) with ESMTPS id 3546DA2210; Tue, 15 Sep 2020 07:37:43 +0000 (UTC) Received: from u3f2cd687b01c55.ant.amazon.com (10.43.162.35) by EX13D31EUA004.ant.amazon.com (10.43.165.161) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 15 Sep 2020 07:37:39 +0000 From: SeongJae Park To: "Matthew Wilcox (Oracle)" CC: , Andrew Morton , "Kirill A . Shutemov" , Huang Ying Subject: Re: [PATCH 10/11] mm/page-writeback: Support tail pages in wait_for_stable_page Date: Tue, 15 Sep 2020 09:37:25 +0200 Message-ID: <20200915073725.16963-1-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200908195539.25896-11-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.162.35] X-ClientProxiedBy: EX13D36UWB004.ant.amazon.com (10.43.161.49) To EX13D31EUA004.ant.amazon.com (10.43.165.161) X-Rspamd-Queue-Id: 1FFDA8007DD4 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: On Tue, 8 Sep 2020 20:55:37 +0100 "Matthew Wilcox (Oracle)" wrote: > page->mapping is undefined for tail pages, so operate exclusively on > the head page. > > Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: SeongJae Park Thanks, SeongJae Park