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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5D1FC433F5 for ; Mon, 17 Jan 2022 15:41:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 43FA76B0071; Mon, 17 Jan 2022 10:41:01 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3C73D6B0073; Mon, 17 Jan 2022 10:41:01 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 267896B0074; Mon, 17 Jan 2022 10:41:01 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0055.hostedemail.com [216.40.44.55]) by kanga.kvack.org (Postfix) with ESMTP id 114C06B0071 for ; Mon, 17 Jan 2022 10:41:01 -0500 (EST) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id C29C995B04 for ; Mon, 17 Jan 2022 15:41:00 +0000 (UTC) X-FDA: 79040192280.20.EDE7FCD Received: from mail-qv1-f53.google.com (mail-qv1-f53.google.com [209.85.219.53]) by imf29.hostedemail.com (Postfix) with ESMTP id 3A59D120004 for ; Mon, 17 Jan 2022 15:41:00 +0000 (UTC) Received: by mail-qv1-f53.google.com with SMTP id l13so17219301qvz.10 for ; Mon, 17 Jan 2022 07:40:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=gBcyXVUz23eSDu95s112gETkUIIOALqlxWlAfpuTh5Y=; b=YjeeIwOwkoONkWTasYStJjNI7NCtrIw7W0eO/PaogHGC3AWma/5ysHMOSUXyXN+ola nSW+yrgUvVA6YbTJRIKvqqaTIDawFfQ9n6Brv/8QJyiDZuP1sbdkI4Sd8hoyRDAsfDy2 UinHYQOF0ofe59WYA3Kf2t5ukv5Rvm0WUmiPM/X0/XL7CoCLnNGOm/DfM4amqLwBfyxL hbg2E/JHM4jDXI2ldONWRG2RWmMLfDgqsGap7EZ3WUBh0KeLwoFxhSmVrUgvZ4LsLxwF YWDR/sElbRrOIJXc4BjfZDoR8oKNRTmd0zZzp6ipK/72bLcpWefnM9MLYSrCQNW0SdDc DVZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=gBcyXVUz23eSDu95s112gETkUIIOALqlxWlAfpuTh5Y=; b=fNJVHLTmVIn+XyV/A/S7zSL7WR6O54Ue4DmpPdYRgadurmWxGBxLxpSAnkrrAm7sbO 3ky2Yo9Za+UUuK1D8pTkSpRd6nU3tHMygkkJUF/ShPWOpoV08vPxbqQFKhDzb5iH0Vlz 4U27tcoSCSVnU6TEfPF7u+iSanJ9YIDhJ8rQV87HLO34E90wtWteDWH9uRI5QOw3TaCX e2FOktAbHVtW3wxCOozl/gn8BQr19sYEBTbeRUeCr3+7IyEafjd4bbk45Gk7cj/d5BbJ rlnHai1+DsKp505a4w4Fna8DIO29Tspnrjdq5gxBlvpmUPbVXq34CDYp2ZA377H/FHH5 Er9A== X-Gm-Message-State: AOAM531G9Xrpi/NgVeRvwyvqkVb76Cm7iaNOVlYQSiorotfsHZa9/2R6 69tihAwBcPEgDPaod61B3R4= X-Google-Smtp-Source: ABdhPJxZf5jKbGWoF2VQ1qBUqDEBxD3hufw/+mutn3HTEWTUTckH+UkaLR9G2MyERI9+57H7VEjrww== X-Received: by 2002:a05:6214:27e9:: with SMTP id jt9mr19287528qvb.89.1642434059494; Mon, 17 Jan 2022 07:40:59 -0800 (PST) Received: from mail.google.com ([207.246.89.135]) by smtp.gmail.com with ESMTPSA id e15sm1617962qtp.48.2022.01.17.07.40.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jan 2022 07:40:59 -0800 (PST) Date: Mon, 17 Jan 2022 23:40:51 +0800 From: Changbin Du To: Matthew Wilcox Cc: Changbin Du , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] mm: fix missed initialization for folio_batch::percpu_pvec_drained Message-ID: <20220117154051.xfocchuceoo5jzn3@mail.google.com> References: <20220116070227.6854-1-changbin.du@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 3A59D120004 X-Stat-Signature: t3idpu851zhrb9exj163o61mox1unx8c Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=YjeeIwOw; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf29.hostedemail.com: domain of changbin.du@gmail.com designates 209.85.219.53 as permitted sender) smtp.mailfrom=changbin.du@gmail.com X-Rspamd-Server: rspam03 X-HE-Tag: 1642434060-414734 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 Sun, Jan 16, 2022 at 11:40:39AM +0000, Matthew Wilcox wrote: > On Sun, Jan 16, 2022 at 03:02:27PM +0800, Changbin Du wrote: > > The folio_batch_init() forgets to initinize folio_batch::percpu_pvec_drained. > > Already reported by Randy three days ago; sitting in linux-next since > then. commit 6840f9094f2b. Glade to know. Thank you. -- Cheers, Changbin Du