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=-2.8 required=3.0 tests=BAYES_00,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 7BFDBC5519F for ; Wed, 25 Nov 2020 11:25:38 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EA3DA20857 for ; Wed, 25 Nov 2020 11:25:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TLwvf1bD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA3DA20857 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 5AD856B0071; Wed, 25 Nov 2020 06:25:35 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 55EF56B0074; Wed, 25 Nov 2020 06:25:35 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 44D1A6B0075; Wed, 25 Nov 2020 06:25:35 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0140.hostedemail.com [216.40.44.140]) by kanga.kvack.org (Postfix) with ESMTP id 28EF56B0071 for ; Wed, 25 Nov 2020 06:25:35 -0500 (EST) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id E82B3181AEF1E for ; Wed, 25 Nov 2020 11:25:34 +0000 (UTC) X-FDA: 77522710188.27.fruit44_450e43a27376 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin27.hostedemail.com (Postfix) with ESMTP id CD86B3D663 for ; Wed, 25 Nov 2020 11:25:34 +0000 (UTC) X-HE-Tag: fruit44_450e43a27376 X-Filterd-Recvd-Size: 3351 Received: from mail-il1-f170.google.com (mail-il1-f170.google.com [209.85.166.170]) by imf06.hostedemail.com (Postfix) with ESMTP for ; Wed, 25 Nov 2020 11:25:34 +0000 (UTC) Received: by mail-il1-f170.google.com with SMTP id g1so1791332ilk.7 for ; Wed, 25 Nov 2020 03:25:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=HSXJBXOn2CprTr1b4CdrQNESxRfY5tGLBjEWHEIp7AA=; b=TLwvf1bDpvNY7DEsxrKhBgSD5ogLDEYtiKwZFEbSXz+GmFIXoikYTG6PrB53ugif2y itMtFmQLzmM+qT5OEGXitfQTVTLruOlyddypNFnix5WhxHGeN0Bso+DL3+Qf6LzL/sPr FMJwscmjsWbZAvbzBxgZXgsz9z6Icl3tQ9j/8RLX2B2Mrx3R3dO8z8ZZ+pwg3MgYDDQN 3vRrn+3FqSAom2YaglvBeBG0z5poxswZJCc9Hgsp6iAD4rB1ZG4EYPTNln4KxbtMUuLA 56i5z6oXMyQS5/AORxroZLYapDx4WLD8DtyUaR2mWqJGLCgFNdQeqSjBs03RiQEUGUcZ iEUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HSXJBXOn2CprTr1b4CdrQNESxRfY5tGLBjEWHEIp7AA=; b=Kg+yEldtBWoav33eQdi6zbHTLuo6Spkub+UsePzYGSR98wsUKx++b63WDJirlviNMe f2cq/dyb3i0xs8i0dtJB2cTet+qCRhXBO48FhJ1esruFft5mzNS4SPFStn8weEZ9qmhk zUJXVwadd2hTHrckzohdlP9JN9UHx7KzSqUqRC1hBFo2V9rl7IxXD2fmhFmkfEzQzust ZvVMLpAa2s19n8E4ApBxguMEYB7+6niem7KRQNvrirYAy4ARBvHDEj0td8X6wpWpVUVm Qa0BA4js1xh2y+jnqDIRuKw/OZ9YVuCBvFMEqh5h17wgItUZxcVA/PNZac/VRvUHa1h/ sCzw== X-Gm-Message-State: AOAM533PryDkQ/bRTRE65niAjyAC38TcE99AK1ddhPaUMnr4zInmWRTU oNSBlC12aspCFCZrEoyufFpg37otZ5pswvlB80E= X-Google-Smtp-Source: ABdhPJx6AV9+1feAbOuTnsij/5XCN70Bvf5Lti2lURe5/n/z6RQVALcpfa8e44LKxbcKze4C7mFOGkXxJEC6tkrtlbc= X-Received: by 2002:a92:155b:: with SMTP id v88mr2415194ilk.303.1606303533838; Wed, 25 Nov 2020 03:25:33 -0800 (PST) MIME-Version: 1.0 References: <00000000000054aea005b4d59e71@google.com> In-Reply-To: From: Lorenzo Stoakes Date: Wed, 25 Nov 2020 11:25:22 +0000 Message-ID: Subject: Re: linux-next boot error: WARNING in prepare_kswapd_sleep To: Alex Shi Cc: syzbot , Andrew Morton , Linux Kernel Mailing List , linux-mm , Linux-Next Mailing List , Stephen Rothwell , syzkaller-bugs , Hui Su Content-Type: text/plain; charset="UTF-8" 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 Wed, 25 Nov 2020 at 06:25, Alex Shi wrote: > Acked. Thanks. I submitted as an actual patch, refactored it slightly to avoid duplication of page_memcg(). > and further more, could you like try another patch? I tried that patch against the syzkaller failure case and it worked fine! Cheers, Lorenzo